8417680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 20034432

約数和(自身を除く): 11616752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2447, 3440, 4894, 9788, 12235, 19576, 24470, 39152, 48940, 97880, 105221, 195760, 210442, 420884, 526105, 841768, 1052210, 1683536, 2104420, 4208840, 8417680]

約数ペア:

[(1, 8417680), (2, 4208840), (4, 2104420), (5, 1683536), (8, 1052210), (10, 841768), (16, 526105), (20, 420884), (40, 210442), (43, 195760), (80, 105221), (86, 97880), (172, 48940), (215, 39152), (344, 24470), (430, 19576), (688, 12235), (860, 9788), (1720, 4894), (2447, 3440)]