87786740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107057}}^1$

素因数の和:107107

約数の個数: 24

約数和(自身を含む): 188850312

約数和(自身を除く): 101063572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 107057, 214114, 428228, 535285, 1070570, 2141140, 4389337, 8778674, 17557348, 21946685, 43893370, 87786740]

約数ペア:

[(1, 87786740), (2, 43893370), (4, 21946685), (5, 17557348), (10, 8778674), (20, 4389337), (41, 2141140), (82, 1070570), (164, 535285), (205, 428228), (410, 214114), (820, 107057)]