28008740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34157}}^1$

素因数の和:34207

約数の個数: 24

約数和(自身を含む): 60254712

約数和(自身を除く): 32245972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34157, 68314, 136628, 170785, 341570, 683140, 1400437, 2800874, 5601748, 7002185, 14004370, 28008740]

約数ペア:

[(1, 28008740), (2, 14004370), (4, 7002185), (5, 5601748), (10, 2800874), (20, 1400437), (41, 683140), (82, 341570), (164, 170785), (205, 136628), (410, 68314), (820, 34157)]