199951480

素因数分解:

$2^3\times 5^1\times {\mathrm{4998787}}^1$

素因数の和:4998798

約数の個数: 16

約数和(自身を含む): 449890920

約数和(自身を除く): 249939440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4998787, 9997574, 19995148, 24993935, 39990296, 49987870, 99975740, 199951480]

約数ペア:

[(1, 199951480), (2, 99975740), (4, 49987870), (5, 39990296), (8, 24993935), (10, 19995148), (20, 9997574), (40, 4998787)]