15199640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8837}}^1$

素因数の和:8891

約数の個数: 32

約数和(自身を含む): 34998480

約数和(自身を除く): 19798840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8837, 17674, 35348, 44185, 70696, 88370, 176740, 353480, 379991, 759982, 1519964, 1899955, 3039928, 3799910, 7599820, 15199640]

約数ペア:

[(1, 15199640), (2, 7599820), (4, 3799910), (5, 3039928), (8, 1899955), (10, 1519964), (20, 759982), (40, 379991), (43, 353480), (86, 176740), (172, 88370), (215, 70696), (344, 44185), (430, 35348), (860, 17674), (1720, 8837)]