2186980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 4701312

約数和(自身を除く): 2514332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2543, 5086, 10172, 12715, 25430, 50860, 109349, 218698, 437396, 546745, 1093490, 2186980]

約数ペア:

[(1, 2186980), (2, 1093490), (4, 546745), (5, 437396), (10, 218698), (20, 109349), (43, 50860), (86, 25430), (172, 12715), (215, 10172), (430, 5086), (860, 2543)]