800560

素因数分解:

$2^4\times 5^1\times {\mathrm{10007}}^1$

素因数の和:10020

約数の個数: 20

約数和(自身を含む): 1861488

約数和(自身を除く): 1060928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10007, 20014, 40028, 50035, 80056, 100070, 160112, 200140, 400280, 800560]

約数ペア:

[(1, 800560), (2, 400280), (4, 200140), (5, 160112), (8, 100070), (10, 80056), (16, 50035), (20, 40028), (40, 20014), (80, 10007)]