128501425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1459}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 172350080

約数和(自身を除く): 43848655

約数列:

[1, 5, 13, 25, 65, 271, 325, 1355, 1459, 3523, 6775, 7295, 17615, 18967, 36475, 88075, 94835, 395389, 474175, 1976945, 5140057, 9884725, 25700285, 128501425]

約数ペア:

[(1, 128501425), (5, 25700285), (13, 9884725), (25, 5140057), (65, 1976945), (271, 474175), (325, 395389), (1355, 94835), (1459, 88075), (3523, 36475), (6775, 18967), (7295, 17615)]