856555040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{486679}}^1$

素因数の和:486705

約数の個数: 48

約数和(自身を含む): 2207580480

約数和(自身を除く): 1351025440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 486679, 973358, 1946716, 2433395, 3893432, 4866790, 5353469, 7786864, 9733580, 10706938, 15573728, 19467160, 21413876, 26767345, 38934320, 42827752, 53534690, 77868640, 85655504, 107069380, 171311008, 214138760, 428277520, 856555040]

約数ペア:

[(1, 856555040), (2, 428277520), (4, 214138760), (5, 171311008), (8, 107069380), (10, 85655504), (11, 77868640), (16, 53534690), (20, 42827752), (22, 38934320), (32, 26767345), (40, 21413876), (44, 19467160), (55, 15573728), (80, 10706938), (88, 9733580), (110, 7786864), (160, 5353469), (176, 4866790), (220, 3893432), (352, 2433395), (440, 1946716), (880, 973358), (1760, 486679)]