16874320

素因数分解:

$2^4\times 5^1\times {\mathrm{210929}}^1$

素因数の和:210942

約数の個数: 20

約数和(自身を含む): 39232980

約数和(自身を除く): 22358660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210929, 421858, 843716, 1054645, 1687432, 2109290, 3374864, 4218580, 8437160, 16874320]

約数ペア:

[(1, 16874320), (2, 8437160), (4, 4218580), (5, 3374864), (8, 2109290), (10, 1687432), (16, 1054645), (20, 843716), (40, 421858), (80, 210929)]