870005825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{6211}}^1$

素因数の和:6665

約数の個数: 24

約数和(自身を含む): 1164675456

約数和(自身を除く): 294669631

約数列:

[1, 5, 13, 25, 65, 325, 431, 2155, 5603, 6211, 10775, 28015, 31055, 80743, 140075, 155275, 403715, 2018575, 2676941, 13384705, 34800233, 66923525, 174001165, 870005825]

約数ペア:

[(1, 870005825), (5, 174001165), (13, 66923525), (25, 34800233), (65, 13384705), (325, 2676941), (431, 2018575), (2155, 403715), (5603, 155275), (6211, 140075), (10775, 80743), (28015, 31055)]