2838580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 6048000

約数和(自身を除く): 3209420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1999, 3998, 7996, 9995, 19990, 39980, 141929, 283858, 567716, 709645, 1419290, 2838580]

約数ペア:

[(1, 2838580), (2, 1419290), (4, 709645), (5, 567716), (10, 283858), (20, 141929), (71, 39980), (142, 19990), (284, 9995), (355, 7996), (710, 3998), (1420, 1999)]