87204440

素因数分解:

$2^3\times 5^1\times {\mathrm{2180111}}^1$

素因数の和:2180122

約数の個数: 16

約数和(自身を含む): 196210080

約数和(自身を除く): 109005640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2180111, 4360222, 8720444, 10900555, 17440888, 21801110, 43602220, 87204440]

約数ペア:

[(1, 87204440), (2, 43602220), (4, 21801110), (5, 17440888), (8, 10900555), (10, 8720444), (20, 4360222), (40, 2180111)]