57021025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 74441664

約数和(自身を除く): 17420639

約数列:

[1, 5, 23, 25, 115, 131, 575, 655, 757, 3013, 3275, 3785, 15065, 17411, 18925, 75325, 87055, 99167, 435275, 495835, 2280841, 2479175, 11404205, 57021025]

約数ペア:

[(1, 57021025), (5, 11404205), (23, 2479175), (25, 2280841), (115, 495835), (131, 435275), (575, 99167), (655, 87055), (757, 75325), (3013, 18925), (3275, 17411), (3785, 15065)]