218364040

素因数分解:

$2^3\times 5^1\times {\mathrm{5459101}}^1$

素因数の和:5459112

約数の個数: 16

約数和(自身を含む): 491319180

約数和(自身を除く): 272955140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5459101, 10918202, 21836404, 27295505, 43672808, 54591010, 109182020, 218364040]

約数ペア:

[(1, 218364040), (2, 109182020), (4, 54591010), (5, 43672808), (8, 27295505), (10, 21836404), (20, 10918202), (40, 5459101)]