2543020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 5466384

約数和(自身を除く): 2923364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2957, 5914, 11828, 14785, 29570, 59140, 127151, 254302, 508604, 635755, 1271510, 2543020]

約数ペア:

[(1, 2543020), (2, 1271510), (4, 635755), (5, 508604), (10, 254302), (20, 127151), (43, 59140), (86, 29570), (172, 14785), (215, 11828), (430, 5914), (860, 2957)]