12885425

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2585

約数の個数: 24

約数和(自身を含む): 18897600

約数和(自身を除く): 6012175

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 2539, 5075, 12695, 17773, 63475, 73631, 88865, 368155, 444325, 515417, 1840775, 2577085, 12885425]

約数ペア:

[(1, 12885425), (5, 2577085), (7, 1840775), (25, 515417), (29, 444325), (35, 368155), (145, 88865), (175, 73631), (203, 63475), (725, 17773), (1015, 12695), (2539, 5075)]