2990957680

素因数分解:

$2^4\times 5^1\times {\mathrm{37386971}}^1$

素因数の和:37386984

約数の個数: 20

約数和(自身を含む): 6953976792

約数和(自身を除く): 3963019112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 37386971, 74773942, 149547884, 186934855, 299095768, 373869710, 598191536, 747739420, 1495478840, 2990957680]

約数ペア:

[(1, 2990957680), (2, 1495478840), (4, 747739420), (5, 598191536), (8, 373869710), (10, 299095768), (16, 186934855), (20, 149547884), (40, 74773942), (80, 37386971)]