16563760

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1051}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 38743056

約数和(自身を除く): 22179296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1051, 1576, 1970, 2102, 3152, 3940, 4204, 5255, 7880, 8408, 10510, 15760, 16816, 21020, 42040, 84080, 207047, 414094, 828188, 1035235, 1656376, 2070470, 3312752, 4140940, 8281880, 16563760]

約数ペア:

[(1, 16563760), (2, 8281880), (4, 4140940), (5, 3312752), (8, 2070470), (10, 1656376), (16, 1035235), (20, 828188), (40, 414094), (80, 207047), (197, 84080), (394, 42040), (788, 21020), (985, 16816), (1051, 15760), (1576, 10510), (1970, 8408), (2102, 7880), (3152, 5255), (3940, 4204)]