851875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 20

約数和(自身を含む): 1124640

約数和(自身を除く): 272765

約数列:

[1, 5, 25, 29, 47, 125, 145, 235, 625, 725, 1175, 1363, 3625, 5875, 6815, 18125, 29375, 34075, 170375, 851875]

約数ペア:

[(1, 851875), (5, 170375), (25, 34075), (29, 29375), (47, 18125), (125, 6815), (145, 5875), (235, 3625), (625, 1363), (725, 1175)]