78896182480

素因数分解:

$2^4\times 5^1\times {\mathrm{986202281}}^1$

素因数の和:986202294

約数の個数: 20

約数和(自身を含む): 183433624452

約数和(自身を除く): 104537441972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 986202281, 1972404562, 3944809124, 4931011405, 7889618248, 9862022810, 15779236496, 19724045620, 39448091240, 78896182480]

約数ペア:

[(1, 78896182480), (2, 39448091240), (4, 19724045620), (5, 15779236496), (8, 9862022810), (10, 7889618248), (16, 4931011405), (20, 3944809124), (40, 1972404562), (80, 986202281)]