206784040

素因数分解:

$2^3\times 5^1\times {\mathrm{5169601}}^1$

素因数の和:5169612

約数の個数: 16

約数和(自身を含む): 465264180

約数和(自身を除く): 258480140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5169601, 10339202, 20678404, 25848005, 41356808, 51696010, 103392020, 206784040]

約数ペア:

[(1, 206784040), (2, 103392020), (4, 51696010), (5, 41356808), (8, 25848005), (10, 20678404), (20, 10339202), (40, 5169601)]