86691520

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2105

約数の個数: 56

約数和(自身を含む): 208026000

約数和(自身を除く): 121334480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1949, 2224, 2780, 3898, 4448, 5560, 7796, 8896, 9745, 11120, 15592, 19490, 22240, 31184, 38980, 44480, 62368, 77960, 124736, 155920, 270911, 311840, 541822, 623680, 1083644, 1354555, 2167288, 2709110, 4334576, 5418220, 8669152, 10836440, 17338304, 21672880, 43345760, 86691520]

約数ペア:

[(1, 86691520), (2, 43345760), (4, 21672880), (5, 17338304), (8, 10836440), (10, 8669152), (16, 5418220), (20, 4334576), (32, 2709110), (40, 2167288), (64, 1354555), (80, 1083644), (139, 623680), (160, 541822), (278, 311840), (320, 270911), (556, 155920), (695, 124736), (1112, 77960), (1390, 62368), (1949, 44480), (2224, 38980), (2780, 31184), (3898, 22240), (4448, 19490), (5560, 15592), (7796, 11120), (8896, 9745)]