69394960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21157}}^1$

素因数の和:21211

約数の個数: 40

約数和(自身を含む): 165286296

約数和(自身を除く): 95891336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21157, 42314, 84628, 105785, 169256, 211570, 338512, 423140, 846280, 867437, 1692560, 1734874, 3469748, 4337185, 6939496, 8674370, 13878992, 17348740, 34697480, 69394960]

約数ペア:

[(1, 69394960), (2, 34697480), (4, 17348740), (5, 13878992), (8, 8674370), (10, 6939496), (16, 4337185), (20, 3469748), (40, 1734874), (41, 1692560), (80, 867437), (82, 846280), (164, 423140), (205, 338512), (328, 211570), (410, 169256), (656, 105785), (820, 84628), (1640, 42314), (3280, 21157)]