317756875

素因数分解:

$5^4\times {\mathrm{131}}^1\times {\mathrm{3881}}^1$

素因数の和:4032

約数の個数: 20

約数和(自身を含む): 400203144

約数和(自身を除く): 82446269

約数列:

[1, 5, 25, 125, 131, 625, 655, 3275, 3881, 16375, 19405, 81875, 97025, 485125, 508411, 2425625, 2542055, 12710275, 63551375, 317756875]

約数ペア:

[(1, 317756875), (5, 63551375), (25, 12710275), (125, 2542055), (131, 2425625), (625, 508411), (655, 485125), (3275, 97025), (3881, 81875), (16375, 19405)]