5247920

素因数分解:

$2^4\times 5^1\times {\mathrm{65599}}^1$

素因数の和:65612

約数の個数: 20

約数和(自身を含む): 12201600

約数和(自身を除く): 6953680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65599, 131198, 262396, 327995, 524792, 655990, 1049584, 1311980, 2623960, 5247920]

約数ペア:

[(1, 5247920), (2, 2623960), (4, 1311980), (5, 1049584), (8, 655990), (10, 524792), (16, 327995), (20, 262396), (40, 131198), (80, 65599)]