55109560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 136080000

約数和(自身を除く): 80970440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 251, 440, 499, 502, 998, 1004, 1255, 1996, 2008, 2495, 2510, 2761, 3992, 4990, 5020, 5489, 5522, 9980, 10040, 10978, 11044, 13805, 19960, 21956, 22088, 27445, 27610, 43912, 54890, 55220, 109780, 110440, 125249, 219560, 250498, 500996, 626245, 1001992, 1252490, 1377739, 2504980, 2755478, 5009960, 5510956, 6888695, 11021912, 13777390, 27554780, 55109560]

約数ペア:

[(1, 55109560), (2, 27554780), (4, 13777390), (5, 11021912), (8, 6888695), (10, 5510956), (11, 5009960), (20, 2755478), (22, 2504980), (40, 1377739), (44, 1252490), (55, 1001992), (88, 626245), (110, 500996), (220, 250498), (251, 219560), (440, 125249), (499, 110440), (502, 109780), (998, 55220), (1004, 54890), (1255, 43912), (1996, 27610), (2008, 27445), (2495, 22088), (2510, 21956), (2761, 19960), (3992, 13805), (4990, 11044), (5020, 10978), (5489, 10040), (5522, 9980)]