55756280

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1723}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 125679600

約数和(自身を除く): 69923320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 1723, 3236, 3446, 4045, 6472, 6892, 8090, 8615, 13784, 16180, 17230, 32360, 34460, 68920, 1393907, 2787814, 5575628, 6969535, 11151256, 13939070, 27878140, 55756280]

約数ペア:

[(1, 55756280), (2, 27878140), (4, 13939070), (5, 11151256), (8, 6969535), (10, 5575628), (20, 2787814), (40, 1393907), (809, 68920), (1618, 34460), (1723, 32360), (3236, 17230), (3446, 16180), (4045, 13784), (6472, 8615), (6892, 8090)]