27490760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 69094080

約数和(自身を除く): 41603320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1453, 1720, 1892, 2365, 2906, 3784, 4730, 5812, 7265, 9460, 11624, 14530, 15983, 18920, 29060, 31966, 58120, 62479, 63932, 79915, 124958, 127864, 159830, 249916, 312395, 319660, 499832, 624790, 639320, 687269, 1249580, 1374538, 2499160, 2749076, 3436345, 5498152, 6872690, 13745380, 27490760]

約数ペア:

[(1, 27490760), (2, 13745380), (4, 6872690), (5, 5498152), (8, 3436345), (10, 2749076), (11, 2499160), (20, 1374538), (22, 1249580), (40, 687269), (43, 639320), (44, 624790), (55, 499832), (86, 319660), (88, 312395), (110, 249916), (172, 159830), (215, 127864), (220, 124958), (344, 79915), (430, 63932), (440, 62479), (473, 58120), (860, 31966), (946, 29060), (1453, 18920), (1720, 15983), (1892, 14530), (2365, 11624), (2906, 9460), (3784, 7265), (4730, 5812)]