11405720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 25773120

約数和(自身を除く): 14367400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 911, 1252, 1565, 1822, 2504, 3130, 3644, 4555, 6260, 7288, 9110, 12520, 18220, 36440, 285143, 570286, 1140572, 1425715, 2281144, 2851430, 5702860, 11405720]

約数ペア:

[(1, 11405720), (2, 5702860), (4, 2851430), (5, 2281144), (8, 1425715), (10, 1140572), (20, 570286), (40, 285143), (313, 36440), (626, 18220), (911, 12520), (1252, 9110), (1565, 7288), (1822, 6260), (2504, 4555), (3130, 3644)]