12685825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 17543520

約数和(自身を除く): 4857695

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1571, 1615, 7855, 8075, 26707, 29849, 39275, 133535, 149245, 507433, 667675, 746225, 2537165, 12685825]

約数ペア:

[(1, 12685825), (5, 2537165), (17, 746225), (19, 667675), (25, 507433), (85, 149245), (95, 133535), (323, 39275), (425, 29849), (475, 26707), (1571, 8075), (1615, 7855)]