42208940

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1787}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 88763472

約数和(自身を除く): 46554532

約数列:

[1, 2, 4, 5, 10, 20, 1181, 1787, 2362, 3574, 4724, 5905, 7148, 8935, 11810, 17870, 23620, 35740, 2110447, 4220894, 8441788, 10552235, 21104470, 42208940]

約数ペア:

[(1, 42208940), (2, 21104470), (4, 10552235), (5, 8441788), (10, 4220894), (20, 2110447), (1181, 35740), (1787, 23620), (2362, 17870), (3574, 11810), (4724, 8935), (5905, 7148)]