18125725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 24284160

約数和(自身を除く): 6158435

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1087, 3335, 5435, 16675, 25001, 27175, 31523, 125005, 157615, 625025, 725029, 788075, 3625145, 18125725]

約数ペア:

[(1, 18125725), (5, 3625145), (23, 788075), (25, 725029), (29, 625025), (115, 157615), (145, 125005), (575, 31523), (667, 27175), (725, 25001), (1087, 16675), (3335, 5435)]