#3272 SumDivOgl

#include <iostream>

using namespace std;

int main()
{
    int n , x , ogl;
    long long S = 0;
    for(cin >> n ; n ; --n)
    {
        cin >> x;
        ogl = 0;
        while(x)
            ogl = ogl * 10 + x % 10, x /= 10;
        long long S1 = 0;
        for(int d = 1 ; d * d <= ogl ; d ++)
            if(ogl % d == 0)
            {
                S1 += d;
                if(d * d < ogl)
                    S1 += ogl / d;
            }
        S += S1;
    }
    cout << S << endl;
    return 0;
}