#include <iostream>
#include <fstream>
using namespace std;

ifstream f("sum.in");
ofstream g("sum.out");

const int NMAX = 100000;

int euler[NMAX + 5];

void Euler(int n)
{
    for (int i = 2; i <= n; i++)
        euler[i] = i - 1;
    for (int i = 2; i <= n; i++)
    {
        for (int j = 2 * i; j <= n; j += i)
            euler[j] -= euler[i];
    }
}


int main()
{
    Euler(NMAX);
    int n;
    f >> n;
    while(n--)
    {
        int x;
        f >> x;
        g << 1LL * euler[x] * 2 * x << '\n';
    }
    return 0;
}