199176440

素因数分解:

$2^3\times 5^1\times {\mathrm{4979411}}^1$

素因数の和:4979422

約数の個数: 16

約数和(自身を含む): 448147080

約数和(自身を除く): 248970640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4979411, 9958822, 19917644, 24897055, 39835288, 49794110, 99588220, 199176440]

約数ペア:

[(1, 199176440), (2, 99588220), (4, 49794110), (5, 39835288), (8, 24897055), (10, 19917644), (20, 9958822), (40, 4979411)]