12131440

素因数分解:

$2^4\times 5^1\times {\mathrm{151643}}^1$

素因数の和:151656

約数の個数: 20

約数和(自身を含む): 28205784

約数和(自身を除く): 16074344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151643, 303286, 606572, 758215, 1213144, 1516430, 2426288, 3032860, 6065720, 12131440]

約数ペア:

[(1, 12131440), (2, 6065720), (4, 3032860), (5, 2426288), (8, 1516430), (10, 1213144), (16, 758215), (20, 606572), (40, 303286), (80, 151643)]