#include <fstream>
using namespace std;

#define MAX 100001
long long sum,v[MAX];
char s[10];
long n,x,j,i;
ifstream f("sum.in");
ofstream g("sum.out");
void ciur()
{
    for (i = 1; i <= MAX; ++i)
      v[i] = i-1;
    for (i = 2; i <= MAX; ++i)
     for (j = 2*i; j <= MAX; j += i)
        v[j] -= v[i];

}
int main()
{
    ciur();
    f>>s;
    n=atol(s);
    for (i=1;i<=n;i++)
    {
        f>>s;
        x=atol(s);
        sum=v[x]*x*2;
        g<<sum<<"\n";
    }

    return 0;
}