57489220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15881}}^1$

素因数の和:16071

約数の個数: 24

約数和(自身を含む): 121402008

約数和(自身を除く): 63912788

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 15881, 31762, 63524, 79405, 158810, 317620, 2874461, 5748922, 11497844, 14372305, 28744610, 57489220]

約数ペア:

[(1, 57489220), (2, 28744610), (4, 14372305), (5, 11497844), (10, 5748922), (20, 2874461), (181, 317620), (362, 158810), (724, 79405), (905, 63524), (1810, 31762), (3620, 15881)]