25580620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98387}}^1$

素因数の和:98409

約数の個数: 24

約数和(自身を含む): 57852144

約数和(自身を除く): 32271524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98387, 196774, 393548, 491935, 983870, 1279031, 1967740, 2558062, 5116124, 6395155, 12790310, 25580620]

約数ペア:

[(1, 25580620), (2, 12790310), (4, 6395155), (5, 5116124), (10, 2558062), (13, 1967740), (20, 1279031), (26, 983870), (52, 491935), (65, 393548), (130, 196774), (260, 98387)]