#include<cstdio>
#define N 10001
int i,j,n,x,e[N];
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    scanf("%d",&n);
    for(i=2;i<N;i++)
        e[i]=i;
    for(i=2;i<N;i++)
        if(e[i]==i)
            for(j=i;j<N;j+=i)
                e[j]=e[j]/i*(i-1);
 
    for(i=1;i<=n;i++)
    {
        scanf("%d",&x);
        printf("%lld\n",(long long)e[x]*2*x);
    }
    return 0;
}