55255480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197341}}^1$

素因数の和:197359

約数の個数: 32

約数和(自身を含む): 142086240

約数和(自身を除く): 86830760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197341, 394682, 789364, 986705, 1381387, 1578728, 1973410, 2762774, 3946820, 5525548, 6906935, 7893640, 11051096, 13813870, 27627740, 55255480]

約数ペア:

[(1, 55255480), (2, 27627740), (4, 13813870), (5, 11051096), (7, 7893640), (8, 6906935), (10, 5525548), (14, 3946820), (20, 2762774), (28, 1973410), (35, 1578728), (40, 1381387), (56, 986705), (70, 789364), (140, 394682), (280, 197341)]