42539620

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1801}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 89458488

約数和(自身を除く): 46918868

約数列:

[1, 2, 4, 5, 10, 20, 1181, 1801, 2362, 3602, 4724, 5905, 7204, 9005, 11810, 18010, 23620, 36020, 2126981, 4253962, 8507924, 10634905, 21269810, 42539620]

約数ペア:

[(1, 42539620), (2, 21269810), (4, 10634905), (5, 8507924), (10, 4253962), (20, 2126981), (1181, 36020), (1801, 23620), (2362, 18010), (3602, 11810), (4724, 9005), (5905, 7204)]