80540960

素因数分解:

$2^5\times 5^1\times {\mathrm{503381}}^1$

素因数の和:503396

約数の個数: 24

約数和(自身を含む): 190278396

約数和(自身を除く): 109737436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503381, 1006762, 2013524, 2516905, 4027048, 5033810, 8054096, 10067620, 16108192, 20135240, 40270480, 80540960]

約数ペア:

[(1, 80540960), (2, 40270480), (4, 20135240), (5, 16108192), (8, 10067620), (10, 8054096), (16, 5033810), (20, 4027048), (32, 2516905), (40, 2013524), (80, 1006762), (160, 503381)]