56664880

素因数分解:

$2^4\times 5^1\times {\mathrm{708311}}^1$

素因数の和:708324

約数の個数: 20

約数和(自身を含む): 131746032

約数和(自身を除く): 75081152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 708311, 1416622, 2833244, 3541555, 5666488, 7083110, 11332976, 14166220, 28332440, 56664880]

約数ペア:

[(1, 56664880), (2, 28332440), (4, 14166220), (5, 11332976), (8, 7083110), (10, 5666488), (16, 3541555), (20, 2833244), (40, 1416622), (80, 708311)]