#include <iostream>
#include <fstream>
using namespace std;
ifstream in("sum.in");
ofstream out("sum.out");
const int maxn = 100005;
int a[100005];
int main()
{
    int n;
    in >> n;
    for(int i = 1;i < 100005; i++)
        a[i] = i - 1;
    for(int i = 2; i < 100005; i++)
      for(int j = 2; 1LL * i * j < 100005; j++)
        a[i * j] = a[i * j] - a[i];
    for(int i = 1; i <= n; i++)
    {
        long long x;
        in >> x;
        out << 2LL * x * a[x] << "\n";
    }
    return 0;
}