39139960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4967}}^1$

素因数の和:5175

約数の個数: 32

約数和(自身を含む): 88529760

約数和(自身を除く): 49389800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4967, 7880, 9934, 19868, 24835, 39736, 49670, 99340, 198680, 978499, 1956998, 3913996, 4892495, 7827992, 9784990, 19569980, 39139960]

約数ペア:

[(1, 39139960), (2, 19569980), (4, 9784990), (5, 7827992), (8, 4892495), (10, 3913996), (20, 1956998), (40, 978499), (197, 198680), (394, 99340), (788, 49670), (985, 39736), (1576, 24835), (1970, 19868), (3940, 9934), (4967, 7880)]