85191640

素因数分解:

$2^3\times 5^1\times {\mathrm{2129791}}^1$

素因数の和:2129802

約数の個数: 16

約数和(自身を含む): 191681280

約数和(自身を除く): 106489640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2129791, 4259582, 8519164, 10648955, 17038328, 21297910, 42595820, 85191640]

約数ペア:

[(1, 85191640), (2, 42595820), (4, 21297910), (5, 17038328), (8, 10648955), (10, 8519164), (20, 4259582), (40, 2129791)]