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#include<cstdio>
using namespace std;
long long phi[100010];
int main(){
freopen("sum.in","r",stdin);
freopen("sum.out","w",stdout);
long long n,i,j;
scanf("%lld",&n);
for(i=1;i<=100000;i++)
phi[i]=i-1;
for(i=2;i<=100000;i++)
for(j=2*i;j<=100000;j+=i)
phi[j]-=phi[i];
for(i=1;i<=n;i++){
scanf("%lld",&j);
printf("%lld\n",2*j*phi[j]);
}
return 0;
}