72312560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53171}}^1$

素因数の和:53201

約数の個数: 40

約数和(自身を含む): 178019856

約数和(自身を除く): 105707296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 53171, 106342, 212684, 265855, 425368, 531710, 850736, 903907, 1063420, 1807814, 2126840, 3615628, 4253680, 4519535, 7231256, 9039070, 14462512, 18078140, 36156280, 72312560]

約数ペア:

[(1, 72312560), (2, 36156280), (4, 18078140), (5, 14462512), (8, 9039070), (10, 7231256), (16, 4519535), (17, 4253680), (20, 3615628), (34, 2126840), (40, 1807814), (68, 1063420), (80, 903907), (85, 850736), (136, 531710), (170, 425368), (272, 265855), (340, 212684), (680, 106342), (1360, 53171)]