52821680

素因数分解:

$2^4\times 5^1\times {\mathrm{660271}}^1$

素因数の和:660284

約数の個数: 20

約数和(自身を含む): 122810592

約数和(自身を除く): 69988912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 660271, 1320542, 2641084, 3301355, 5282168, 6602710, 10564336, 13205420, 26410840, 52821680]

約数ペア:

[(1, 52821680), (2, 26410840), (4, 13205420), (5, 10564336), (8, 6602710), (10, 5282168), (16, 3301355), (20, 2641084), (40, 1320542), (80, 660271)]