2855620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 6084288

約数和(自身を除く): 3228668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2011, 4022, 8044, 10055, 20110, 40220, 142781, 285562, 571124, 713905, 1427810, 2855620]

約数ペア:

[(1, 2855620), (2, 1427810), (4, 713905), (5, 571124), (10, 285562), (20, 142781), (71, 40220), (142, 20110), (284, 10055), (355, 8044), (710, 4022), (1420, 2011)]