#include <bits/stdc++.h>

using namespace std;
ifstream f("sum.in");
ofstream g("sum.out");
unsigned long long phi[200005];
int n, x;

int main()
{
  f>>n;
  for(int i = 1;i <= 200000;++i)
    phi[i] = i;
  for(int i = 2;i <= 200000;++i)
    if(phi[i] == i)
      for(int j = i;j <= 200000;j += i)
        phi[j] /= i, phi[j] *= (i - 1);
  for(int i = 1;i <= n;++i)
  {
    f>>x;
    g<<2 * x * phi[x]<<'\n';
  }
  return 0;
}