poradie=1

for num in "$@"
do
    if [ $num -gt 0 ]
    then
    fact=1
        for((i=1 ; i<=num ; ++i))
        do
            ((fact*=i))
        done
        echo "Argument #$poradie: $fact"

    else
        if [ $num -eq 0 ]
        then
            echo "Argument #$poradie: 1"
        else
            echo "Argument #$poradie: nedefinovano"
        fi
    fi
        ((++poradie))
done

exit "$#"