87059620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{13151}}^1$

素因数の和:13491

約数の個数: 24

約数和(自身を含む): 183391488

約数和(自身を除く): 96331868

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 13151, 26302, 52604, 65755, 131510, 263020, 4352981, 8705962, 17411924, 21764905, 43529810, 87059620]

約数ペア:

[(1, 87059620), (2, 43529810), (4, 21764905), (5, 17411924), (10, 8705962), (20, 4352981), (331, 263020), (662, 131510), (1324, 65755), (1655, 52604), (3310, 26302), (6620, 13151)]