27984440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63601}}^1$

素因数の和:63623

約数の個数: 32

約数和(自身を含む): 68690160

約数和(自身を除く): 40705720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63601, 127202, 254404, 318005, 508808, 636010, 699611, 1272020, 1399222, 2544040, 2798444, 3498055, 5596888, 6996110, 13992220, 27984440]

約数ペア:

[(1, 27984440), (2, 13992220), (4, 6996110), (5, 5596888), (8, 3498055), (10, 2798444), (11, 2544040), (20, 1399222), (22, 1272020), (40, 699611), (44, 636010), (55, 508808), (88, 318005), (110, 254404), (220, 127202), (440, 63601)]