6787400380

素因数分解:

$2^2\times 5^1\times {\mathrm{339370019}}^1$

素因数の和:339370028

約数の個数: 12

約数和(自身を含む): 14253540840

約数和(自身を除く): 7466140460

約数列:

[1, 2, 4, 5, 10, 20, 339370019, 678740038, 1357480076, 1696850095, 3393700190, 6787400380]

約数ペア:

[(1, 6787400380), (2, 3393700190), (4, 1696850095), (5, 1357480076), (10, 678740038), (20, 339370019)]