56886280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129287}}^1$

素因数の和:129309

約数の個数: 32

約数和(自身を含む): 139631040

約数和(自身を除く): 82744760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 129287, 258574, 517148, 646435, 1034296, 1292870, 1422157, 2585740, 2844314, 5171480, 5688628, 7110785, 11377256, 14221570, 28443140, 56886280]

約数ペア:

[(1, 56886280), (2, 28443140), (4, 14221570), (5, 11377256), (8, 7110785), (10, 5688628), (11, 5171480), (20, 2844314), (22, 2585740), (40, 1422157), (44, 1292870), (55, 1034296), (88, 646435), (110, 517148), (220, 258574), (440, 129287)]