42357620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11701}}^1$

素因数の和:11891

約数の個数: 24

約数和(自身を含む): 89450088

約数和(自身を除く): 47092468

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 11701, 23402, 46804, 58505, 117010, 234020, 2117881, 4235762, 8471524, 10589405, 21178810, 42357620]

約数ペア:

[(1, 42357620), (2, 21178810), (4, 10589405), (5, 8471524), (10, 4235762), (20, 2117881), (181, 234020), (362, 117010), (724, 58505), (905, 46804), (1810, 23402), (3620, 11701)]