56851960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129209}}^1$

素因数の和:129231

約数の個数: 32

約数和(自身を含む): 139546800

約数和(自身を除く): 82694840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 129209, 258418, 516836, 646045, 1033672, 1292090, 1421299, 2584180, 2842598, 5168360, 5685196, 7106495, 11370392, 14212990, 28425980, 56851960]

約数ペア:

[(1, 56851960), (2, 28425980), (4, 14212990), (5, 11370392), (8, 7106495), (10, 5685196), (11, 5168360), (20, 2842598), (22, 2584180), (40, 1421299), (44, 1292090), (55, 1033672), (88, 646045), (110, 516836), (220, 258418), (440, 129209)]