56875720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129263}}^1$

素因数の和:129285

約数の個数: 32

約数和(自身を含む): 139605120

約数和(自身を除く): 82729400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 129263, 258526, 517052, 646315, 1034104, 1292630, 1421893, 2585260, 2843786, 5170520, 5687572, 7109465, 11375144, 14218930, 28437860, 56875720]

約数ペア:

[(1, 56875720), (2, 28437860), (4, 14218930), (5, 11375144), (8, 7109465), (10, 5687572), (11, 5170520), (20, 2843786), (22, 2585260), (40, 1421893), (44, 1292630), (55, 1034104), (88, 646315), (110, 517052), (220, 258526), (440, 129263)]