39542720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 112

約数和(自身を含む): 109240320

約数和(自身を除く): 69697600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 139, 140, 160, 224, 254, 278, 280, 320, 448, 508, 556, 560, 635, 695, 889, 973, 1016, 1112, 1120, 1270, 1390, 1778, 1946, 2032, 2224, 2240, 2540, 2780, 3556, 3892, 4064, 4445, 4448, 4865, 5080, 5560, 7112, 7784, 8128, 8890, 8896, 9730, 10160, 11120, 14224, 15568, 17653, 17780, 19460, 20320, 22240, 28448, 31136, 35306, 35560, 38920, 40640, 44480, 56896, 62272, 70612, 71120, 77840, 88265, 123571, 141224, 142240, 155680, 176530, 247142, 282448, 284480, 311360, 353060, 494284, 564896, 617855, 706120, 988568, 1129792, 1235710, 1412240, 1977136, 2471420, 2824480, 3954272, 4942840, 5648960, 7908544, 9885680, 19771360, 39542720]

約数ペア:

[(1, 39542720), (2, 19771360), (4, 9885680), (5, 7908544), (7, 5648960), (8, 4942840), (10, 3954272), (14, 2824480), (16, 2471420), (20, 1977136), (28, 1412240), (32, 1235710), (35, 1129792), (40, 988568), (56, 706120), (64, 617855), (70, 564896), (80, 494284), (112, 353060), (127, 311360), (139, 284480), (140, 282448), (160, 247142), (224, 176530), (254, 155680), (278, 142240), (280, 141224), (320, 123571), (448, 88265), (508, 77840), (556, 71120), (560, 70612), (635, 62272), (695, 56896), (889, 44480), (973, 40640), (1016, 38920), (1112, 35560), (1120, 35306), (1270, 31136), (1390, 28448), (1778, 22240), (1946, 20320), (2032, 19460), (2224, 17780), (2240, 17653), (2540, 15568), (2780, 14224), (3556, 11120), (3892, 10160), (4064, 9730), (4445, 8896), (4448, 8890), (4865, 8128), (5080, 7784), (5560, 7112)]