80034320

素因数分解:

$2^4\times 5^1\times {\mathrm{1000429}}^1$

素因数の和:1000442

約数の個数: 20

約数和(自身を含む): 186079980

約数和(自身を除く): 106045660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1000429, 2000858, 4001716, 5002145, 8003432, 10004290, 16006864, 20008580, 40017160, 80034320]

約数ペア:

[(1, 80034320), (2, 40017160), (4, 20008580), (5, 16006864), (8, 10004290), (10, 8003432), (16, 5002145), (20, 4001716), (40, 2000858), (80, 1000429)]