25824140

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3067}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 54377232

約数和(自身を除く): 28553092

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 3067, 4210, 6134, 8420, 12268, 15335, 30670, 61340, 1291207, 2582414, 5164828, 6456035, 12912070, 25824140]

約数ペア:

[(1, 25824140), (2, 12912070), (4, 6456035), (5, 5164828), (10, 2582414), (20, 1291207), (421, 61340), (842, 30670), (1684, 15335), (2105, 12268), (3067, 8420), (4210, 6134)]