25397620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43789}}^1$

素因数の和:43827

約数の個数: 24

約数和(自身を含む): 55175400

約数和(自身を除く): 29777780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 43789, 87578, 175156, 218945, 437890, 875780, 1269881, 2539762, 5079524, 6349405, 12698810, 25397620]

約数ペア:

[(1, 25397620), (2, 12698810), (4, 6349405), (5, 5079524), (10, 2539762), (20, 1269881), (29, 875780), (58, 437890), (116, 218945), (145, 175156), (290, 87578), (580, 43789)]