8906680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 20237040

約数和(自身を除く): 11330360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2081, 2140, 4162, 4280, 8324, 10405, 16648, 20810, 41620, 83240, 222667, 445334, 890668, 1113335, 1781336, 2226670, 4453340, 8906680]

約数ペア:

[(1, 8906680), (2, 4453340), (4, 2226670), (5, 1781336), (8, 1113335), (10, 890668), (20, 445334), (40, 222667), (107, 83240), (214, 41620), (428, 20810), (535, 16648), (856, 10405), (1070, 8324), (2081, 4280), (2140, 4162)]