13081960

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{911}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 16466840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 911, 1436, 1795, 1822, 2872, 3590, 3644, 4555, 7180, 7288, 9110, 14360, 18220, 36440, 327049, 654098, 1308196, 1635245, 2616392, 3270490, 6540980, 13081960]

約数ペア:

[(1, 13081960), (2, 6540980), (4, 3270490), (5, 2616392), (8, 1635245), (10, 1308196), (20, 654098), (40, 327049), (359, 36440), (718, 18220), (911, 14360), (1436, 9110), (1795, 7288), (1822, 7180), (2872, 4555), (3590, 3644)]