9916040

素因数分解:

$2^3\times 5^1\times {\mathrm{247901}}^1$

素因数の和:247912

約数の個数: 16

約数和(自身を含む): 22311180

約数和(自身を除く): 12395140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247901, 495802, 991604, 1239505, 1983208, 2479010, 4958020, 9916040]

約数ペア:

[(1, 9916040), (2, 4958020), (4, 2479010), (5, 1983208), (8, 1239505), (10, 991604), (20, 495802), (40, 247901)]