204329375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19231}}^1$

素因数の和:19268

約数の個数: 20

約数和(自身を含む): 270363456

約数和(自身を除く): 66034081

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 10625, 19231, 96155, 326927, 480775, 1634635, 2403875, 8173175, 12019375, 40865875, 204329375]

約数ペア:

[(1, 204329375), (5, 40865875), (17, 12019375), (25, 8173175), (85, 2403875), (125, 1634635), (425, 480775), (625, 326927), (2125, 96155), (10625, 19231)]