402013025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{4483}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 530439264

約数和(自身を除く): 128426239

約数列:

[1, 5, 17, 25, 85, 211, 425, 1055, 3587, 4483, 5275, 17935, 22415, 76211, 89675, 112075, 381055, 945913, 1905275, 4729565, 16080521, 23647825, 80402605, 402013025]

約数ペア:

[(1, 402013025), (5, 80402605), (17, 23647825), (25, 16080521), (85, 4729565), (211, 1905275), (425, 945913), (1055, 381055), (3587, 112075), (4483, 89675), (5275, 76211), (17935, 22415)]