10820740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{77291}}^1$

素因数の和:77307

約数の個数: 24

約数和(自身を含む): 25970112

約数和(自身を除く): 15149372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 77291, 154582, 309164, 386455, 541037, 772910, 1082074, 1545820, 2164148, 2705185, 5410370, 10820740]

約数ペア:

[(1, 10820740), (2, 5410370), (4, 2705185), (5, 2164148), (7, 1545820), (10, 1082074), (14, 772910), (20, 541037), (28, 386455), (35, 309164), (70, 154582), (140, 77291)]