6668440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3877}}^1$

素因数の和:3931

約数の個数: 32

約数和(自身を含む): 15356880

約数和(自身を除く): 8688440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3877, 7754, 15508, 19385, 31016, 38770, 77540, 155080, 166711, 333422, 666844, 833555, 1333688, 1667110, 3334220, 6668440]

約数ペア:

[(1, 6668440), (2, 3334220), (4, 1667110), (5, 1333688), (8, 833555), (10, 666844), (20, 333422), (40, 166711), (43, 155080), (86, 77540), (172, 38770), (215, 31016), (344, 19385), (430, 15508), (860, 7754), (1720, 3877)]