4140940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1051}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 8748432

約数和(自身を除く): 4607492

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1051, 1970, 2102, 3940, 4204, 5255, 10510, 21020, 207047, 414094, 828188, 1035235, 2070470, 4140940]

約数ペア:

[(1, 4140940), (2, 2070470), (4, 1035235), (5, 828188), (10, 414094), (20, 207047), (197, 21020), (394, 10510), (788, 5255), (985, 4204), (1051, 3940), (1970, 2102)]