56640025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 76903064

約数和(自身を除く): 20263039

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 2857, 3965, 14285, 19825, 37141, 71425, 174277, 185705, 871385, 928525, 2265601, 4356925, 11328005, 56640025]

約数ペア:

[(1, 56640025), (5, 11328005), (13, 4356925), (25, 2265601), (61, 928525), (65, 871385), (305, 185705), (325, 174277), (793, 71425), (1525, 37141), (2857, 19825), (3965, 14285)]