28748425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 38836800

約数和(自身を除く): 10088375

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2087, 2755, 10435, 13775, 39653, 52175, 60523, 198265, 302615, 991325, 1149937, 1513075, 5749685, 28748425]

約数ペア:

[(1, 28748425), (5, 5749685), (19, 1513075), (25, 1149937), (29, 991325), (95, 302615), (145, 198265), (475, 60523), (551, 52175), (725, 39653), (2087, 13775), (2755, 10435)]