#include<bits/stdc++.h>
using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");
int n, x;
const int xmax = 100005;
int phi[xmax];
void indicatorul_euler()
{
  for (int i = 1; i <= xmax - 5; i++) phi[i] = i - 1;
  for (int i = 1; i <= xmax; i++)
  for (int j = i + i; j <= xmax; j += i)
  phi[j] -= phi[i];
}
int main()
{
  indicatorul_euler();
  fin >> n;
  for (int i = 1; i <= n; i++)
  {
    fin >> x;
    fout << 1LL * x * phi[x] * 2 << "\n";
  }
  return 0;
}