16138760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 40582080

約数和(自身を除く): 24443320

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, 853, 860, 946, 1706, 1720, 1892, 2365, 3412, 3784, 4265, 4730, 6824, 8530, 9383, 9460, 17060, 18766, 18920, 34120, 36679, 37532, 46915, 73358, 75064, 93830, 146716, 183395, 187660, 293432, 366790, 375320, 403469, 733580, 806938, 1467160, 1613876, 2017345, 3227752, 4034690, 8069380, 16138760]

約数ペア:

[(1, 16138760), (2, 8069380), (4, 4034690), (5, 3227752), (8, 2017345), (10, 1613876), (11, 1467160), (20, 806938), (22, 733580), (40, 403469), (43, 375320), (44, 366790), (55, 293432), (86, 187660), (88, 183395), (110, 146716), (172, 93830), (215, 75064), (220, 73358), (344, 46915), (430, 37532), (440, 36679), (473, 34120), (853, 18920), (860, 18766), (946, 17060), (1706, 9460), (1720, 9383), (1892, 8530), (2365, 6824), (3412, 4730), (3784, 4265)]