159826640

素因数分解:

$2^4\times 5^1\times {\mathrm{1997833}}^1$

素因数の和:1997846

約数の個数: 20

約数和(自身を含む): 371597124

約数和(自身を除く): 211770484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1997833, 3995666, 7991332, 9989165, 15982664, 19978330, 31965328, 39956660, 79913320, 159826640]

約数ペア:

[(1, 159826640), (2, 79913320), (4, 39956660), (5, 31965328), (8, 19978330), (10, 15982664), (16, 9989165), (20, 7991332), (40, 3995666), (80, 1997833)]