9885680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 26664960

約数和(自身を除く): 16779280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 139, 140, 254, 278, 280, 508, 556, 560, 635, 695, 889, 973, 1016, 1112, 1270, 1390, 1778, 1946, 2032, 2224, 2540, 2780, 3556, 3892, 4445, 4865, 5080, 5560, 7112, 7784, 8890, 9730, 10160, 11120, 14224, 15568, 17653, 17780, 19460, 35306, 35560, 38920, 70612, 71120, 77840, 88265, 123571, 141224, 176530, 247142, 282448, 353060, 494284, 617855, 706120, 988568, 1235710, 1412240, 1977136, 2471420, 4942840, 9885680]

約数ペア:

[(1, 9885680), (2, 4942840), (4, 2471420), (5, 1977136), (7, 1412240), (8, 1235710), (10, 988568), (14, 706120), (16, 617855), (20, 494284), (28, 353060), (35, 282448), (40, 247142), (56, 176530), (70, 141224), (80, 123571), (112, 88265), (127, 77840), (139, 71120), (140, 70612), (254, 38920), (278, 35560), (280, 35306), (508, 19460), (556, 17780), (560, 17653), (635, 15568), (695, 14224), (889, 11120), (973, 10160), (1016, 9730), (1112, 8890), (1270, 7784), (1390, 7112), (1778, 5560), (1946, 5080), (2032, 4865), (2224, 4445), (2540, 3892), (2780, 3556)]