#include <iostream>
#include <fstream>
#define MAX 100002

using namespace std;

int phi[MAX+1];

void calculeaza_phi() {
    for(int i = 1; i <= MAX; i++)
        phi[i] = i-1;

    for(int i = 2; i < MAX; i++)
            for(int j = i*2; j < MAX; j += i)
                phi[j] -=phi[i];
}

int main() {
    ifstream f("sum.in");
    ofstream g("sum.out");
    int n,x;
    f>>n;
    calculeaza_phi();
    while(n--) {
        f>>x;
        g<<1LL * 2 * x * phi [ x ] << '\n' ;
    }

    f.close();
    g.close();
}