2016522280

素因数分解:

$2^3\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{28211}}^1$

素因数の和:30009

約数の個数: 32

約数和(自身を含む): 4539875040

約数和(自身を除く): 2523352760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1787, 3574, 7148, 8935, 14296, 17870, 28211, 35740, 56422, 71480, 112844, 141055, 225688, 282110, 564220, 1128440, 50413057, 100826114, 201652228, 252065285, 403304456, 504130570, 1008261140, 2016522280]

約数ペア:

[(1, 2016522280), (2, 1008261140), (4, 504130570), (5, 403304456), (8, 252065285), (10, 201652228), (20, 100826114), (40, 50413057), (1787, 1128440), (3574, 564220), (7148, 282110), (8935, 225688), (14296, 141055), (17870, 112844), (28211, 71480), (35740, 56422)]