Product of all divisors of n, positive or negative.

Terms

a(0) =-1a(1) =4a(2) =9a(3) =-64a(4) =25a(5) =1296a(6) =49a(7) =4096a(8) =-729a(9) =10000a(10) =121a(11) =2985984a(12) =169a(13) =38416a(14) =50625a(15) =-1048576a(16) =289a(17) =34012224a(18) =361a(19) =64000000a(20) =194481a(21) =234256a(22) =529a(23) =110075314176a(24) =-15625a(25) =456976a(26) =531441a(27) =481890304a(28) =841a(29) =656100000000