205369025

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 259254240

約数和(自身を除く): 53885215

約数列:

[1, 5, 25, 113, 139, 523, 565, 695, 2615, 2825, 3475, 13075, 15707, 59099, 72697, 78535, 295495, 363485, 392675, 1477475, 1817425, 8214761, 41073805, 205369025]

約数ペア:

[(1, 205369025), (5, 41073805), (25, 8214761), (113, 1817425), (139, 1477475), (523, 392675), (565, 363485), (695, 295495), (2615, 78535), (2825, 72697), (3475, 59099), (13075, 15707)]