2840440

素因数分解:

$2^3\times 5^1\times {\mathrm{71011}}^1$

素因数の和:71022

約数の個数: 16

約数和(自身を含む): 6391080

約数和(自身を除く): 3550640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71011, 142022, 284044, 355055, 568088, 710110, 1420220, 2840440]

約数ペア:

[(1, 2840440), (2, 1420220), (4, 710110), (5, 568088), (8, 355055), (10, 284044), (20, 142022), (40, 71011)]