13887280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 36140544

約数和(自身を除く): 22253264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 367, 430, 440, 473, 688, 734, 860, 880, 946, 1468, 1720, 1835, 1892, 2365, 2936, 3440, 3670, 3784, 4037, 4730, 5872, 7340, 7568, 8074, 9460, 14680, 15781, 16148, 18920, 20185, 29360, 31562, 32296, 37840, 40370, 63124, 64592, 78905, 80740, 126248, 157810, 161480, 173591, 252496, 315620, 322960, 347182, 631240, 694364, 867955, 1262480, 1388728, 1735910, 2777456, 3471820, 6943640, 13887280]

約数ペア:

[(1, 13887280), (2, 6943640), (4, 3471820), (5, 2777456), (8, 1735910), (10, 1388728), (11, 1262480), (16, 867955), (20, 694364), (22, 631240), (40, 347182), (43, 322960), (44, 315620), (55, 252496), (80, 173591), (86, 161480), (88, 157810), (110, 126248), (172, 80740), (176, 78905), (215, 64592), (220, 63124), (344, 40370), (367, 37840), (430, 32296), (440, 31562), (473, 29360), (688, 20185), (734, 18920), (860, 16148), (880, 15781), (946, 14680), (1468, 9460), (1720, 8074), (1835, 7568), (1892, 7340), (2365, 5872), (2936, 4730), (3440, 4037), (3670, 3784)]