sigma_5(n), the sum of the 5th powers of the divisors of n.

Terms

a(0) =1a(1) =33a(2) =244a(3) =1057a(4) =3126a(5) =8052a(6) =16808a(7) =33825a(8) =59293a(9) =103158a(10) =161052a(11) =257908a(12) =371294a(13) =554664a(14) =762744a(15) =1082401a(16) =1419858a(17) =1956669a(18) =2476100a(19) =3304182a(20) =4101152a(21) =5314716a(22) =6436344a(23) =8253300a(24) =9768751a(25) =12252702a(26) =14408200a(27) =17766056a(28) =20511150