4879640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 11238480

約数和(自身を除く): 6358840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2837, 5674, 11348, 14185, 22696, 28370, 56740, 113480, 121991, 243982, 487964, 609955, 975928, 1219910, 2439820, 4879640]

約数ペア:

[(1, 4879640), (2, 2439820), (4, 1219910), (5, 975928), (8, 609955), (10, 487964), (20, 243982), (40, 121991), (43, 113480), (86, 56740), (172, 28370), (215, 22696), (344, 14185), (430, 11348), (860, 5674), (1720, 2837)]