3201024domain: NAppears in sequencesa(n) = Sum_{0<d|n, n/d odd} d^5.at n=19A096960a(n) = Sum_{d|n, n/d==1 mod 4} d^5 - Sum_{d|n, n/d==3 mod 4} d^5.at n=19A321829a(n) = Sum_{d|n} d^(tau(d) - 1).at n=19A348349Sum of the 5th powers of the divisor complements of the odd proper divisors of n.at n=19A352051