72823540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{20117}}^1$

素因数の和:20307

約数の個数: 24

約数和(自身を含む): 153781992

約数和(自身を除く): 80958452

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 20117, 40234, 80468, 100585, 201170, 402340, 3641177, 7282354, 14564708, 18205885, 36411770, 72823540]

約数ペア:

[(1, 72823540), (2, 36411770), (4, 18205885), (5, 14564708), (10, 7282354), (20, 3641177), (181, 402340), (362, 201170), (724, 100585), (905, 80468), (1810, 40234), (3620, 20117)]