199934440

素因数分解:

$2^3\times 5^1\times {\mathrm{4998361}}^1$

素因数の和:4998372

約数の個数: 16

約数和(自身を含む): 449852580

約数和(自身を除く): 249918140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4998361, 9996722, 19993444, 24991805, 39986888, 49983610, 99967220, 199934440]

約数ペア:

[(1, 199934440), (2, 99967220), (4, 49983610), (5, 39986888), (8, 24991805), (10, 19993444), (20, 9996722), (40, 4998361)]