39987025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 54300344

約数和(自身を除く): 14313319

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 2017, 3965, 10085, 19825, 26221, 50425, 123037, 131105, 615185, 655525, 1599481, 3075925, 7997405, 39987025]

約数ペア:

[(1, 39987025), (5, 7997405), (13, 3075925), (25, 1599481), (61, 655525), (65, 615185), (305, 131105), (325, 123037), (793, 50425), (1525, 26221), (2017, 19825), (3965, 10085)]