2656540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3089}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 5710320

約数和(自身を除く): 3053780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3089, 6178, 12356, 15445, 30890, 61780, 132827, 265654, 531308, 664135, 1328270, 2656540]

約数ペア:

[(1, 2656540), (2, 1328270), (4, 664135), (5, 531308), (10, 265654), (20, 132827), (43, 61780), (86, 30890), (172, 15445), (215, 12356), (430, 6178), (860, 3089)]