2126780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 4571952

約数和(自身を除く): 2445172

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2473, 4946, 9892, 12365, 24730, 49460, 106339, 212678, 425356, 531695, 1063390, 2126780]

約数ペア:

[(1, 2126780), (2, 1063390), (4, 531695), (5, 425356), (10, 212678), (20, 106339), (43, 49460), (86, 24730), (172, 12365), (215, 9892), (430, 4946), (860, 2473)]