65690620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46261}}^1$

素因数の和:46341

約数の個数: 24

約数和(自身を含む): 139896288

約数和(自身を除く): 74205668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46261, 92522, 185044, 231305, 462610, 925220, 3284531, 6569062, 13138124, 16422655, 32845310, 65690620]

約数ペア:

[(1, 65690620), (2, 32845310), (4, 16422655), (5, 13138124), (10, 6569062), (20, 3284531), (71, 925220), (142, 462610), (284, 231305), (355, 185044), (710, 92522), (1420, 46261)]