161004680

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{3391}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 362672640

約数和(自身を除く): 201667960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 2374, 3391, 4748, 5935, 6782, 9496, 11870, 13564, 16955, 23740, 27128, 33910, 47480, 67820, 135640, 4025117, 8050234, 16100468, 20125585, 32200936, 40251170, 80502340, 161004680]

約数ペア:

[(1, 161004680), (2, 80502340), (4, 40251170), (5, 32200936), (8, 20125585), (10, 16100468), (20, 8050234), (40, 4025117), (1187, 135640), (2374, 67820), (3391, 47480), (4748, 33910), (5935, 27128), (6782, 23740), (9496, 16955), (11870, 13564)]