39565480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5021}}^1$

素因数の和:5229

約数の個数: 32

約数和(自身を含む): 89492040

約数和(自身を除く): 49926560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 5021, 7880, 10042, 20084, 25105, 40168, 50210, 100420, 200840, 989137, 1978274, 3956548, 4945685, 7913096, 9891370, 19782740, 39565480]

約数ペア:

[(1, 39565480), (2, 19782740), (4, 9891370), (5, 7913096), (8, 4945685), (10, 3956548), (20, 1978274), (40, 989137), (197, 200840), (394, 100420), (788, 50210), (985, 40168), (1576, 25105), (1970, 20084), (3940, 10042), (5021, 7880)]