25139020

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1531}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 52890768

約数和(自身を除く): 27751748

約数列:

[1, 2, 4, 5, 10, 20, 821, 1531, 1642, 3062, 3284, 4105, 6124, 7655, 8210, 15310, 16420, 30620, 1256951, 2513902, 5027804, 6284755, 12569510, 25139020]

約数ペア:

[(1, 25139020), (2, 12569510), (4, 6284755), (5, 5027804), (10, 2513902), (20, 1256951), (821, 30620), (1531, 16420), (1642, 15310), (3062, 8210), (3284, 7655), (4105, 6124)]