76485820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{88937}}^1$

素因数の和:88989

約数の個数: 24

約数和(自身を含む): 164357424

約数和(自身を除く): 87871604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 88937, 177874, 355748, 444685, 889370, 1778740, 3824291, 7648582, 15297164, 19121455, 38242910, 76485820]

約数ペア:

[(1, 76485820), (2, 38242910), (4, 19121455), (5, 15297164), (10, 7648582), (20, 3824291), (43, 1778740), (86, 889370), (172, 444685), (215, 355748), (430, 177874), (860, 88937)]