179530040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22783}}^1$

素因数の和:22991

約数の個数: 32

約数和(自身を含む): 406010880

約数和(自身を除く): 226480840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 22783, 45566, 91132, 113915, 182264, 227830, 455660, 911320, 4488251, 8976502, 17953004, 22441255, 35906008, 44882510, 89765020, 179530040]

約数ペア:

[(1, 179530040), (2, 89765020), (4, 44882510), (5, 35906008), (8, 22441255), (10, 17953004), (20, 8976502), (40, 4488251), (197, 911320), (394, 455660), (788, 227830), (985, 182264), (1576, 113915), (1970, 91132), (3940, 45566), (7880, 22783)]