28916140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131437}}^1$

素因数の和:131457

約数の個数: 24

約数和(自身を含む): 66244752

約数和(自身を除く): 37328612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131437, 262874, 525748, 657185, 1314370, 1445807, 2628740, 2891614, 5783228, 7229035, 14458070, 28916140]

約数ペア:

[(1, 28916140), (2, 14458070), (4, 7229035), (5, 5783228), (10, 2891614), (11, 2628740), (20, 1445807), (22, 1314370), (44, 657185), (55, 525748), (110, 262874), (220, 131437)]