81100580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8573}}^1$

素因数の和:8636

約数の個数: 48

約数和(自身を含む): 190137024

約数和(自身を除く): 109036444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8573, 9460, 17146, 34292, 42865, 85730, 94303, 171460, 188606, 368639, 377212, 471515, 737278, 943030, 1474556, 1843195, 1886060, 3686390, 4055029, 7372780, 8110058, 16220116, 20275145, 40550290, 81100580]

約数ペア:

[(1, 81100580), (2, 40550290), (4, 20275145), (5, 16220116), (10, 8110058), (11, 7372780), (20, 4055029), (22, 3686390), (43, 1886060), (44, 1843195), (55, 1474556), (86, 943030), (110, 737278), (172, 471515), (215, 377212), (220, 368639), (430, 188606), (473, 171460), (860, 94303), (946, 85730), (1892, 42865), (2365, 34292), (4730, 17146), (8573, 9460)]