1431875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 20

約数和(自身を含む): 1874400

約数和(自身を除く): 442525

約数列:

[1, 5, 25, 29, 79, 125, 145, 395, 625, 725, 1975, 2291, 3625, 9875, 11455, 18125, 49375, 57275, 286375, 1431875]

約数ペア:

[(1, 1431875), (5, 286375), (25, 57275), (29, 49375), (79, 18125), (125, 11455), (145, 9875), (395, 3625), (625, 2291), (725, 1975)]