201520025

素因数分解:

$5^2\times 7^1\times {\mathrm{733}}^1\times {\mathrm{1571}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 286154304

約数和(自身を除く): 84634279

約数列:

[1, 5, 7, 25, 35, 175, 733, 1571, 3665, 5131, 7855, 10997, 18325, 25655, 39275, 54985, 128275, 274925, 1151543, 5757715, 8060801, 28788575, 40304005, 201520025]

約数ペア:

[(1, 201520025), (5, 40304005), (7, 28788575), (25, 8060801), (35, 5757715), (175, 1151543), (733, 274925), (1571, 128275), (3665, 54985), (5131, 39275), (7855, 25655), (10997, 18325)]