#include <cstdio>
#define nmax 100002
using namespace std;
long long vect[50002],i,j,x,t;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
for(i=2;i<=nmax/2;i++)
    vect[i]=i-1;
for(i=2;i<=nmax/2;i++)
    for(j=2*i;j<=nmax/2;j+=i)
        vect[j]-=vect[i];
scanf("%ld",&t);
for(i=1;i<=t;i++)
{
    scanf("%lld",&x);
    printf("%lld\n",1ll*x*2*vect[x]);
}

    return 0;
}