16127920

素因数分解:

$2^4\times 5^1\times {\mathrm{201599}}^1$

素因数の和:201612

約数の個数: 20

約数和(自身を含む): 37497600

約数和(自身を除く): 21369680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 201599, 403198, 806396, 1007995, 1612792, 2015990, 3225584, 4031980, 8063960, 16127920]

約数ペア:

[(1, 16127920), (2, 8063960), (4, 4031980), (5, 3225584), (8, 2015990), (10, 1612792), (16, 1007995), (20, 806396), (40, 403198), (80, 201599)]