807510140

素因数分解:

$2^2\times 5^1\times {\mathrm{3557}}^1\times {\mathrm{11351}}^1$

素因数の和:14917

約数の個数: 24

約数和(自身を含む): 1696397472

約数和(自身を除く): 888887332

約数列:

[1, 2, 4, 5, 10, 20, 3557, 7114, 11351, 14228, 17785, 22702, 35570, 45404, 56755, 71140, 113510, 227020, 40375507, 80751014, 161502028, 201877535, 403755070, 807510140]

約数ペア:

[(1, 807510140), (2, 403755070), (4, 201877535), (5, 161502028), (10, 80751014), (20, 40375507), (3557, 227020), (7114, 113510), (11351, 71140), (14228, 56755), (17785, 45404), (22702, 35570)]