2489660

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 5258736

約数和(自身を除く): 2769076

約数列:

[1, 2, 4, 5, 10, 20, 281, 443, 562, 886, 1124, 1405, 1772, 2215, 2810, 4430, 5620, 8860, 124483, 248966, 497932, 622415, 1244830, 2489660]

約数ペア:

[(1, 2489660), (2, 1244830), (4, 622415), (5, 497932), (10, 248966), (20, 124483), (281, 8860), (443, 5620), (562, 4430), (886, 2810), (1124, 2215), (1405, 1772)]