87881740

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2797}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 184735152

約数和(自身を除く): 96853412

約数列:

[1, 2, 4, 5, 10, 20, 1571, 2797, 3142, 5594, 6284, 7855, 11188, 13985, 15710, 27970, 31420, 55940, 4394087, 8788174, 17576348, 21970435, 43940870, 87881740]

約数ペア:

[(1, 87881740), (2, 43940870), (4, 21970435), (5, 17576348), (10, 8788174), (20, 4394087), (1571, 55940), (2797, 31420), (3142, 27970), (5594, 15710), (6284, 13985), (7855, 11188)]