25811825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 35289408

約数和(自身を除く): 9477583

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1847, 2795, 9235, 13975, 24011, 46175, 79421, 120055, 397105, 600275, 1032473, 1985525, 5162365, 25811825]

約数ペア:

[(1, 25811825), (5, 5162365), (13, 1985525), (25, 1032473), (43, 600275), (65, 397105), (215, 120055), (325, 79421), (559, 46175), (1075, 24011), (1847, 13975), (2795, 9235)]