38780975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 50220000

約数和(自身を除く): 11439025

約数列:

[1, 5, 25, 29, 145, 149, 359, 725, 745, 1795, 3725, 4321, 8975, 10411, 21605, 52055, 53491, 108025, 260275, 267455, 1337275, 1551239, 7756195, 38780975]

約数ペア:

[(1, 38780975), (5, 7756195), (25, 1551239), (29, 1337275), (145, 267455), (149, 260275), (359, 108025), (725, 53491), (745, 52055), (1795, 21605), (3725, 10411), (4321, 8975)]