8749640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5087}}^1$

素因数の和:5141

約数の個数: 32

約数和(自身を含む): 20148480

約数和(自身を除く): 11398840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5087, 10174, 20348, 25435, 40696, 50870, 101740, 203480, 218741, 437482, 874964, 1093705, 1749928, 2187410, 4374820, 8749640]

約数ペア:

[(1, 8749640), (2, 4374820), (4, 2187410), (5, 1749928), (8, 1093705), (10, 874964), (20, 437482), (40, 218741), (43, 203480), (86, 101740), (172, 50870), (215, 40696), (344, 25435), (430, 20348), (860, 10174), (1720, 5087)]