56456840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128311}}^1$

素因数の和:128333

約数の個数: 32

約数和(自身を含む): 138576960

約数和(自身を除く): 82120120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128311, 256622, 513244, 641555, 1026488, 1283110, 1411421, 2566220, 2822842, 5132440, 5645684, 7057105, 11291368, 14114210, 28228420, 56456840]

約数ペア:

[(1, 56456840), (2, 28228420), (4, 14114210), (5, 11291368), (8, 7057105), (10, 5645684), (11, 5132440), (20, 2822842), (22, 2566220), (40, 1411421), (44, 1283110), (55, 1026488), (88, 641555), (110, 513244), (220, 256622), (440, 128311)]