2175140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9887}}^1$

素因数の和:9907

約数の個数: 24

約数和(自身を含む): 4983552

約数和(自身を除く): 2808412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9887, 19774, 39548, 49435, 98870, 108757, 197740, 217514, 435028, 543785, 1087570, 2175140]

約数ペア:

[(1, 2175140), (2, 1087570), (4, 543785), (5, 435028), (10, 217514), (11, 197740), (20, 108757), (22, 98870), (44, 49435), (55, 39548), (110, 19774), (220, 9887)]