520012799960

素因数分解:

$2^3\times 5^1\times {\mathrm{13000319999}}^1$

素因数の和:13000320010

約数の個数: 16

約数和(自身を含む): 1170028800000

約数和(自身を除く): 650016000040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000319999, 26000639998, 52001279996, 65001599995, 104002559992, 130003199990, 260006399980, 520012799960]

約数ペア:

[(1, 520012799960), (2, 260006399980), (4, 130003199990), (5, 104002559992), (8, 65001599995), (10, 52001279996), (20, 26000639998), (40, 13000319999)]