16888970440

素因数分解:

$2^3\times 5^1\times {\mathrm{422224261}}^1$

素因数の和:422224272

約数の個数: 16

約数和(自身を含む): 38000183580

約数和(自身を除く): 21111213140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 422224261, 844448522, 1688897044, 2111121305, 3377794088, 4222242610, 8444485220, 16888970440]

約数ペア:

[(1, 16888970440), (2, 8444485220), (4, 4222242610), (5, 3377794088), (8, 2111121305), (10, 1688897044), (20, 844448522), (40, 422224261)]