7788125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:770

約数の個数: 20

約数和(自身を含む): 10318572

約数和(自身を除く): 2530447

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 733, 2125, 3665, 10625, 12461, 18325, 62305, 91625, 311525, 458125, 1557625, 7788125]

約数ペア:

[(1, 7788125), (5, 1557625), (17, 458125), (25, 311525), (85, 91625), (125, 62305), (425, 18325), (625, 12461), (733, 10625), (2125, 3665)]