8540080

素因数分解:

$2^4\times 5^1\times {\mathrm{106751}}^1$

素因数の和:106764

約数の個数: 20

約数和(自身を含む): 19855872

約数和(自身を除く): 11315792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106751, 213502, 427004, 533755, 854008, 1067510, 1708016, 2135020, 4270040, 8540080]

約数ペア:

[(1, 8540080), (2, 4270040), (4, 2135020), (5, 1708016), (8, 1067510), (10, 854008), (16, 533755), (20, 427004), (40, 213502), (80, 106751)]