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Jan 25th, 2020
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C++ 0.36 KB | None | 0 0
  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     long a, i, k;
  8.     k = 0;
  9.     cin >> a;
  10.     for (i = 1; i <= sqrt(a); i++) {
  11.         if (a % i == 0) {
  12.             k += 2;
  13.         }
  14.  
  15.     }
  16.     if (a / sqrt(a) == sqrt(a)) {
  17.         k--;
  18.     }
  19.     if (k == 1 && a > 4) {
  20.         k++;
  21.     }
  22.     cout << k;
  23.     return 0;
  24. }
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