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

const long long n=100000;
long long m,d=-1,phi[1000001];


inline void euler() {
	int rezultat=0,i,j;
	for (i = 1; i <= n; ++i)
    	phi[i] = i-1;
	for (i = 2; i <= n; ++i) {
    	for (j = 2*i; j <= n; j += i)
        	phi[j] -= phi[i];
	}
}

int main()
{
	int i,x;
	ifstream f ("sum.in");
	ofstream g("sum.out");
	f>>m;
	euler();
	for(i=0; i<m; i++) {
		f>>x;
		g<<2*phi[x]*x<<"\n";
	}
	f.close();
	g.close();
	return 0;
}