16840360

素因数分解:

$2^3\times 5^1\times {\mathrm{421009}}^1$

素因数の和:421020

約数の個数: 16

約数和(自身を含む): 37890900

約数和(自身を除く): 21050540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421009, 842018, 1684036, 2105045, 3368072, 4210090, 8420180, 16840360]

約数ペア:

[(1, 16840360), (2, 8420180), (4, 4210090), (5, 3368072), (8, 2105045), (10, 1684036), (20, 842018), (40, 421009)]