27764440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 69012000

約数和(自身を除く): 41247560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 709, 712, 890, 979, 1418, 1780, 1958, 2836, 3545, 3560, 3916, 4895, 5672, 7090, 7799, 7832, 9790, 14180, 15598, 19580, 28360, 31196, 38995, 39160, 62392, 63101, 77990, 126202, 155980, 252404, 311960, 315505, 504808, 631010, 694111, 1262020, 1388222, 2524040, 2776444, 3470555, 5552888, 6941110, 13882220, 27764440]

約数ペア:

[(1, 27764440), (2, 13882220), (4, 6941110), (5, 5552888), (8, 3470555), (10, 2776444), (11, 2524040), (20, 1388222), (22, 1262020), (40, 694111), (44, 631010), (55, 504808), (88, 315505), (89, 311960), (110, 252404), (178, 155980), (220, 126202), (356, 77990), (440, 63101), (445, 62392), (709, 39160), (712, 38995), (890, 31196), (979, 28360), (1418, 19580), (1780, 15598), (1958, 14180), (2836, 9790), (3545, 7832), (3560, 7799), (3916, 7090), (4895, 5672)]