55680080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3533}}^1$

素因数の和:3743

約数の個数: 40

約数和(自身を含む): 130150152

約数和(自身を除く): 74470072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3533, 3940, 7066, 7880, 14132, 15760, 17665, 28264, 35330, 56528, 70660, 141320, 282640, 696001, 1392002, 2784004, 3480005, 5568008, 6960010, 11136016, 13920020, 27840040, 55680080]

約数ペア:

[(1, 55680080), (2, 27840040), (4, 13920020), (5, 11136016), (8, 6960010), (10, 5568008), (16, 3480005), (20, 2784004), (40, 1392002), (80, 696001), (197, 282640), (394, 141320), (788, 70660), (985, 56528), (1576, 35330), (1970, 28264), (3152, 17665), (3533, 15760), (3940, 14132), (7066, 7880)]