129628850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199429}}^1$

素因数の和:199454

約数の個数: 24

約数和(自身を含む): 259657860

約数和(自身を除く): 130029010

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 199429, 398858, 997145, 1994290, 2592577, 4985725, 5185154, 9971450, 12962885, 25925770, 64814425, 129628850]

約数ペア:

[(1, 129628850), (2, 64814425), (5, 25925770), (10, 12962885), (13, 9971450), (25, 5185154), (26, 4985725), (50, 2592577), (65, 1994290), (130, 997145), (325, 398858), (650, 199429)]