84091640

素因数分解:

$2^3\times 5^1\times {\mathrm{2102291}}^1$

素因数の和:2102302

約数の個数: 16

約数和(自身を含む): 189206280

約数和(自身を除く): 105114640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2102291, 4204582, 8409164, 10511455, 16818328, 21022910, 42045820, 84091640]

約数ペア:

[(1, 84091640), (2, 42045820), (4, 21022910), (5, 16818328), (8, 10511455), (10, 8409164), (20, 4204582), (40, 2102291)]