201380256025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19963}}^1\times {\mathrm{31039}}^1$

素因数の和:51025

約数の個数: 24

約数和(自身を含む): 268942231040

約数和(自身を除く): 67561975015

約数列:

[1, 5, 13, 25, 65, 325, 19963, 31039, 99815, 155195, 259519, 403507, 499075, 775975, 1297595, 2017535, 6487975, 10087675, 619631557, 3098157785, 8055210241, 15490788925, 40276051205, 201380256025]

約数ペア:

[(1, 201380256025), (5, 40276051205), (13, 15490788925), (25, 8055210241), (65, 3098157785), (325, 619631557), (19963, 10087675), (31039, 6487975), (99815, 2017535), (155195, 1297595), (259519, 775975), (403507, 499075)]