199223480

素因数分解:

$2^3\times 5^1\times {\mathrm{4980587}}^1$

素因数の和:4980598

約数の個数: 16

約数和(自身を含む): 448252920

約数和(自身を除く): 249029440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4980587, 9961174, 19922348, 24902935, 39844696, 49805870, 99611740, 199223480]

約数ペア:

[(1, 199223480), (2, 99611740), (4, 49805870), (5, 39844696), (8, 24902935), (10, 19922348), (20, 9961174), (40, 4980587)]