38682920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4909}}^1$

素因数の和:5117

約数の個数: 32

約数和(自身を含む): 87496200

約数和(自身を除く): 48813280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4909, 7880, 9818, 19636, 24545, 39272, 49090, 98180, 196360, 967073, 1934146, 3868292, 4835365, 7736584, 9670730, 19341460, 38682920]

約数ペア:

[(1, 38682920), (2, 19341460), (4, 9670730), (5, 7736584), (8, 4835365), (10, 3868292), (20, 1934146), (40, 967073), (197, 196360), (394, 98180), (788, 49090), (985, 39272), (1576, 24545), (1970, 19636), (3940, 9818), (4909, 7880)]