40857520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1601}}^1$

素因数の和:1654

約数の個数: 80

約数和(自身を含む): 107269920

約数和(自身を除く): 66412400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 1601, 2320, 2552, 3190, 3202, 5104, 6380, 6404, 8005, 12760, 12808, 16010, 17611, 25520, 25616, 32020, 35222, 46429, 64040, 70444, 88055, 92858, 128080, 140888, 176110, 185716, 232145, 281776, 352220, 371432, 464290, 510719, 704440, 742864, 928580, 1021438, 1408880, 1857160, 2042876, 2553595, 3714320, 4085752, 5107190, 8171504, 10214380, 20428760, 40857520]

約数ペア:

[(1, 40857520), (2, 20428760), (4, 10214380), (5, 8171504), (8, 5107190), (10, 4085752), (11, 3714320), (16, 2553595), (20, 2042876), (22, 1857160), (29, 1408880), (40, 1021438), (44, 928580), (55, 742864), (58, 704440), (80, 510719), (88, 464290), (110, 371432), (116, 352220), (145, 281776), (176, 232145), (220, 185716), (232, 176110), (290, 140888), (319, 128080), (440, 92858), (464, 88055), (580, 70444), (638, 64040), (880, 46429), (1160, 35222), (1276, 32020), (1595, 25616), (1601, 25520), (2320, 17611), (2552, 16010), (3190, 12808), (3202, 12760), (5104, 8005), (6380, 6404)]