28946960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51691}}^1$

素因数の和:51711

約数の個数: 40

約数和(自身を含む): 76917696

約数和(自身を除く): 47970736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51691, 103382, 206764, 258455, 361837, 413528, 516910, 723674, 827056, 1033820, 1447348, 1809185, 2067640, 2894696, 3618370, 4135280, 5789392, 7236740, 14473480, 28946960]

約数ペア:

[(1, 28946960), (2, 14473480), (4, 7236740), (5, 5789392), (7, 4135280), (8, 3618370), (10, 2894696), (14, 2067640), (16, 1809185), (20, 1447348), (28, 1033820), (35, 827056), (40, 723674), (56, 516910), (70, 413528), (80, 361837), (112, 258455), (140, 206764), (280, 103382), (560, 51691)]