21920375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{6047}}^1$

素因数の和:6091

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 6384265

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 6047, 30235, 151175, 175363, 755875, 876815, 4384075, 21920375]

約数ペア:

[(1, 21920375), (5, 4384075), (25, 876815), (29, 755875), (125, 175363), (145, 151175), (725, 30235), (3625, 6047)]