6486680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 14675040

約数和(自身を除く): 8188360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 631, 1028, 1262, 1285, 2056, 2524, 2570, 3155, 5048, 5140, 6310, 10280, 12620, 25240, 162167, 324334, 648668, 810835, 1297336, 1621670, 3243340, 6486680]

約数ペア:

[(1, 6486680), (2, 3243340), (4, 1621670), (5, 1297336), (8, 810835), (10, 648668), (20, 324334), (40, 162167), (257, 25240), (514, 12620), (631, 10280), (1028, 6310), (1262, 5140), (1285, 5048), (2056, 3155), (2524, 2570)]