26965960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 69840000

約数和(自身を除く): 42874040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 499, 772, 965, 998, 1351, 1544, 1930, 1996, 2495, 2702, 3493, 3860, 3992, 4990, 5404, 6755, 6986, 7720, 9980, 10808, 13510, 13972, 17465, 19960, 27020, 27944, 34930, 54040, 69860, 96307, 139720, 192614, 385228, 481535, 674149, 770456, 963070, 1348298, 1926140, 2696596, 3370745, 3852280, 5393192, 6741490, 13482980, 26965960]

約数ペア:

[(1, 26965960), (2, 13482980), (4, 6741490), (5, 5393192), (7, 3852280), (8, 3370745), (10, 2696596), (14, 1926140), (20, 1348298), (28, 963070), (35, 770456), (40, 674149), (56, 481535), (70, 385228), (140, 192614), (193, 139720), (280, 96307), (386, 69860), (499, 54040), (772, 34930), (965, 27944), (998, 27020), (1351, 19960), (1544, 17465), (1930, 13972), (1996, 13510), (2495, 10808), (2702, 9980), (3493, 7720), (3860, 6986), (3992, 6755), (4990, 5404)]