28028660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127403}}^1$

素因数の和:127423

約数の個数: 24

約数和(自身を含む): 64211616

約数和(自身を除く): 36182956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127403, 254806, 509612, 637015, 1274030, 1401433, 2548060, 2802866, 5605732, 7007165, 14014330, 28028660]

約数ペア:

[(1, 28028660), (2, 14014330), (4, 7007165), (5, 5605732), (10, 2802866), (11, 2548060), (20, 1401433), (22, 1274030), (44, 637015), (55, 509612), (110, 254806), (220, 127403)]