131403640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113279}}^1$

素因数の和:113319

約数の個数: 32

約数和(自身を含む): 305856000

約数和(自身を除く): 174452360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 113279, 226558, 453116, 566395, 906232, 1132790, 2265580, 3285091, 4531160, 6570182, 13140364, 16425455, 26280728, 32850910, 65701820, 131403640]

約数ペア:

[(1, 131403640), (2, 65701820), (4, 32850910), (5, 26280728), (8, 16425455), (10, 13140364), (20, 6570182), (29, 4531160), (40, 3285091), (58, 2265580), (116, 1132790), (145, 906232), (232, 566395), (290, 453116), (580, 226558), (1160, 113279)]