25810525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 35739900

約数和(自身を除く): 9929375

約数列:

[1, 5, 13, 25, 41, 65, 149, 169, 205, 325, 533, 745, 845, 1025, 1937, 2665, 3725, 4225, 6109, 6929, 9685, 13325, 25181, 30545, 34645, 48425, 79417, 125905, 152725, 173225, 397085, 629525, 1032421, 1985425, 5162105, 25810525]

約数ペア:

[(1, 25810525), (5, 5162105), (13, 1985425), (25, 1032421), (41, 629525), (65, 397085), (149, 173225), (169, 152725), (205, 125905), (325, 79417), (533, 48425), (745, 34645), (845, 30545), (1025, 25181), (1937, 13325), (2665, 9685), (3725, 6929), (4225, 6109)]