25824440

素因数分解:

$2^3\times 5^1\times {\mathrm{645611}}^1$

素因数の和:645622

約数の個数: 16

約数和(自身を含む): 58105080

約数和(自身を除く): 32280640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 645611, 1291222, 2582444, 3228055, 5164888, 6456110, 12912220, 25824440]

約数ペア:

[(1, 25824440), (2, 12912220), (4, 6456110), (5, 5164888), (8, 3228055), (10, 2582444), (20, 1291222), (40, 645611)]