67776875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{6379}}^1$

素因数の和:6416

約数の個数: 20

約数和(自身を含む): 89690040

約数和(自身を除く): 21913165

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 6379, 10625, 31895, 108443, 159475, 542215, 797375, 2711075, 3986875, 13555375, 67776875]

約数ペア:

[(1, 67776875), (5, 13555375), (17, 3986875), (25, 2711075), (85, 797375), (125, 542215), (425, 159475), (625, 108443), (2125, 31895), (6379, 10625)]