20184840040

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{425123}}^1$

素因数の和:426321

約数の個数: 32

約数和(自身を含む): 45454258080

約数和(自身を除く): 25269418040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 2374, 4748, 5935, 9496, 11870, 23740, 47480, 425123, 850246, 1700492, 2125615, 3400984, 4251230, 8502460, 17004920, 504621001, 1009242002, 2018484004, 2523105005, 4036968008, 5046210010, 10092420020, 20184840040]

約数ペア:

[(1, 20184840040), (2, 10092420020), (4, 5046210010), (5, 4036968008), (8, 2523105005), (10, 2018484004), (20, 1009242002), (40, 504621001), (1187, 17004920), (2374, 8502460), (4748, 4251230), (5935, 3400984), (9496, 2125615), (11870, 1700492), (23740, 850246), (47480, 425123)]