199687480

素因数分解:

$2^3\times 5^1\times {\mathrm{4992187}}^1$

素因数の和:4992198

約数の個数: 16

約数和(自身を含む): 449296920

約数和(自身を除く): 249609440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4992187, 9984374, 19968748, 24960935, 39937496, 49921870, 99843740, 199687480]

約数ペア:

[(1, 199687480), (2, 99843740), (4, 49921870), (5, 39937496), (8, 24960935), (10, 19968748), (20, 9984374), (40, 4992187)]