40820080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72893}}^1$

素因数の和:72913

約数の個数: 40

約数和(自身を含む): 108466272

約数和(自身を除く): 67646192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72893, 145786, 291572, 364465, 510251, 583144, 728930, 1020502, 1166288, 1457860, 2041004, 2551255, 2915720, 4082008, 5102510, 5831440, 8164016, 10205020, 20410040, 40820080]

約数ペア:

[(1, 40820080), (2, 20410040), (4, 10205020), (5, 8164016), (7, 5831440), (8, 5102510), (10, 4082008), (14, 2915720), (16, 2551255), (20, 2041004), (28, 1457860), (35, 1166288), (40, 1020502), (56, 728930), (70, 583144), (80, 510251), (112, 364465), (140, 291572), (280, 145786), (560, 72893)]