80854640

素因数分解:

$2^4\times 5^1\times {\mathrm{1010683}}^1$

素因数の和:1010696

約数の個数: 20

約数和(自身を含む): 187987224

約数和(自身を除く): 107132584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010683, 2021366, 4042732, 5053415, 8085464, 10106830, 16170928, 20213660, 40427320, 80854640]

約数ペア:

[(1, 80854640), (2, 40427320), (4, 20213660), (5, 16170928), (8, 10106830), (10, 8085464), (16, 5053415), (20, 4042732), (40, 2021366), (80, 1010683)]