31484960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15137}}^1$

素因数の和:15165

約数の個数: 48

約数和(自身を含む): 80110296

約数和(自身を除く): 48625336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 15137, 30274, 60548, 75685, 121096, 151370, 196781, 242192, 302740, 393562, 484384, 605480, 787124, 983905, 1210960, 1574248, 1967810, 2421920, 3148496, 3935620, 6296992, 7871240, 15742480, 31484960]

約数ペア:

[(1, 31484960), (2, 15742480), (4, 7871240), (5, 6296992), (8, 3935620), (10, 3148496), (13, 2421920), (16, 1967810), (20, 1574248), (26, 1210960), (32, 983905), (40, 787124), (52, 605480), (65, 484384), (80, 393562), (104, 302740), (130, 242192), (160, 196781), (208, 151370), (260, 121096), (416, 75685), (520, 60548), (1040, 30274), (2080, 15137)]