796688792080

素因数分解:

$2^4\times 5^1\times {\mathrm{9958609901}}^1$

素因数の和:9958609914

約数の個数: 20

約数和(自身を含む): 1852301441772

約数和(自身を除く): 1055612649692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9958609901, 19917219802, 39834439604, 49793049505, 79668879208, 99586099010, 159337758416, 199172198020, 398344396040, 796688792080]

約数ペア:

[(1, 796688792080), (2, 398344396040), (4, 199172198020), (5, 159337758416), (8, 99586099010), (10, 79668879208), (16, 49793049505), (20, 39834439604), (40, 19917219802), (80, 9958609901)]