11297920

素因数分解:

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

素因数の和:285

約数の個数: 64

約数和(自身を含む): 27417600

約数和(自身を除く): 16119680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 139, 160, 254, 278, 320, 508, 556, 635, 640, 695, 1016, 1112, 1270, 1390, 2032, 2224, 2540, 2780, 4064, 4448, 5080, 5560, 8128, 8896, 10160, 11120, 16256, 17653, 17792, 20320, 22240, 35306, 40640, 44480, 70612, 81280, 88265, 88960, 141224, 176530, 282448, 353060, 564896, 706120, 1129792, 1412240, 2259584, 2824480, 5648960, 11297920]

約数ペア:

[(1, 11297920), (2, 5648960), (4, 2824480), (5, 2259584), (8, 1412240), (10, 1129792), (16, 706120), (20, 564896), (32, 353060), (40, 282448), (64, 176530), (80, 141224), (127, 88960), (128, 88265), (139, 81280), (160, 70612), (254, 44480), (278, 40640), (320, 35306), (508, 22240), (556, 20320), (635, 17792), (640, 17653), (695, 16256), (1016, 11120), (1112, 10160), (1270, 8896), (1390, 8128), (2032, 5560), (2224, 5080), (2540, 4448), (2780, 4064)]