210866680

素因数分解:

$2^3\times 5^1\times {\mathrm{5271667}}^1$

素因数の和:5271678

約数の個数: 16

約数和(自身を含む): 474450120

約数和(自身を除く): 263583440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5271667, 10543334, 21086668, 26358335, 42173336, 52716670, 105433340, 210866680]

約数ペア:

[(1, 210866680), (2, 105433340), (4, 52716670), (5, 42173336), (8, 26358335), (10, 21086668), (20, 10543334), (40, 5271667)]