9968139620

素因数分解:

$2^2\times 5^1\times {\mathrm{498406981}}^1$

素因数の和:498406990

約数の個数: 12

約数和(自身を含む): 20933093244

約数和(自身を除く): 10964953624

約数列:

[1, 2, 4, 5, 10, 20, 498406981, 996813962, 1993627924, 2492034905, 4984069810, 9968139620]

約数ペア:

[(1, 9968139620), (2, 4984069810), (4, 2492034905), (5, 1993627924), (10, 996813962), (20, 498406981)]