56688280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128837}}^1$

素因数の和:128859

約数の個数: 32

約数和(自身を含む): 139145040

約数和(自身を除く): 82456760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128837, 257674, 515348, 644185, 1030696, 1288370, 1417207, 2576740, 2834414, 5153480, 5668828, 7086035, 11337656, 14172070, 28344140, 56688280]

約数ペア:

[(1, 56688280), (2, 28344140), (4, 14172070), (5, 11337656), (8, 7086035), (10, 5668828), (11, 5153480), (20, 2834414), (22, 2576740), (40, 1417207), (44, 1288370), (55, 1030696), (88, 644185), (110, 515348), (220, 257674), (440, 128837)]