72674960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22157}}^1$

素因数の和:22211

約数の個数: 40

約数和(自身を含む): 173098296

約数和(自身を除く): 100423336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 22157, 44314, 88628, 110785, 177256, 221570, 354512, 443140, 886280, 908437, 1772560, 1816874, 3633748, 4542185, 7267496, 9084370, 14534992, 18168740, 36337480, 72674960]

約数ペア:

[(1, 72674960), (2, 36337480), (4, 18168740), (5, 14534992), (8, 9084370), (10, 7267496), (16, 4542185), (20, 3633748), (40, 1816874), (41, 1772560), (80, 908437), (82, 886280), (164, 443140), (205, 354512), (328, 221570), (410, 177256), (656, 110785), (820, 88628), (1640, 44314), (3280, 22157)]