2809375

素因数分解:

$5^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 3749760

約数和(自身を除く): 940385

約数列:

[1, 5, 25, 29, 31, 125, 145, 155, 625, 725, 775, 899, 3125, 3625, 3875, 4495, 18125, 19375, 22475, 90625, 96875, 112375, 561875, 2809375]

約数ペア:

[(1, 2809375), (5, 561875), (25, 112375), (29, 96875), (31, 90625), (125, 22475), (145, 19375), (155, 18125), (625, 4495), (725, 3875), (775, 3625), (899, 3125)]