77894375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{9587}}^1$

素因数の和:9620

約数の個数: 20

約数和(自身を含む): 104835192

約数和(自身を除く): 26940817

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 9587, 47935, 124631, 239675, 623155, 1198375, 3115775, 5991875, 15578875, 77894375]

約数ペア:

[(1, 77894375), (5, 15578875), (13, 5991875), (25, 3115775), (65, 1198375), (125, 623155), (325, 239675), (625, 124631), (1625, 47935), (8125, 9587)]