26087720

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1307}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 58860000

約数和(自身を除く): 32772280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1307, 1996, 2495, 2614, 3992, 4990, 5228, 6535, 9980, 10456, 13070, 19960, 26140, 52280, 652193, 1304386, 2608772, 3260965, 5217544, 6521930, 13043860, 26087720]

約数ペア:

[(1, 26087720), (2, 13043860), (4, 6521930), (5, 5217544), (8, 3260965), (10, 2608772), (20, 1304386), (40, 652193), (499, 52280), (998, 26140), (1307, 19960), (1996, 13070), (2495, 10456), (2614, 9980), (3992, 6535), (4990, 5228)]