2800261775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{33149}}^1$

素因数の和:33299

約数の個数: 24

約数和(自身を含む): 3617328000

約数和(自身を除く): 817066225

約数列:

[1, 5, 25, 31, 109, 155, 545, 775, 2725, 3379, 16895, 33149, 84475, 165745, 828725, 1027619, 3613241, 5138095, 18066205, 25690475, 90331025, 112010471, 560052355, 2800261775]

約数ペア:

[(1, 2800261775), (5, 560052355), (25, 112010471), (31, 90331025), (109, 25690475), (155, 18066205), (545, 5138095), (775, 3613241), (2725, 1027619), (3379, 828725), (16895, 165745), (33149, 84475)]