78896560

素因数分解:

$2^4\times 5^1\times {\mathrm{986207}}^1$

素因数の和:986220

約数の個数: 20

約数和(自身を含む): 183434688

約数和(自身を除く): 104538128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 986207, 1972414, 3944828, 4931035, 7889656, 9862070, 15779312, 19724140, 39448280, 78896560]

約数ペア:

[(1, 78896560), (2, 39448280), (4, 19724140), (5, 15779312), (8, 9862070), (10, 7889656), (16, 4931035), (20, 3944828), (40, 1972414), (80, 986207)]