28751140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130687}}^1$

素因数の和:130707

約数の個数: 24

約数和(自身を含む): 65866752

約数和(自身を除く): 37115612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130687, 261374, 522748, 653435, 1306870, 1437557, 2613740, 2875114, 5750228, 7187785, 14375570, 28751140]

約数ペア:

[(1, 28751140), (2, 14375570), (4, 7187785), (5, 5750228), (10, 2875114), (11, 2613740), (20, 1437557), (22, 1306870), (44, 653435), (55, 522748), (110, 261374), (220, 130687)]