528075640

素因数分解:

$2^3\times 5^1\times {\mathrm{13201891}}^1$

素因数の和:13201902

約数の個数: 16

約数和(自身を含む): 1188170280

約数和(自身を除く): 660094640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13201891, 26403782, 52807564, 66009455, 105615128, 132018910, 264037820, 528075640]

約数ペア:

[(1, 528075640), (2, 264037820), (4, 132018910), (5, 105615128), (8, 66009455), (10, 52807564), (20, 26403782), (40, 13201891)]