16490180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117787}}^1$

素因数の和:117803

約数の個数: 24

約数和(自身を含む): 39576768

約数和(自身を除く): 23086588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117787, 235574, 471148, 588935, 824509, 1177870, 1649018, 2355740, 3298036, 4122545, 8245090, 16490180]

約数ペア:

[(1, 16490180), (2, 8245090), (4, 4122545), (5, 3298036), (7, 2355740), (10, 1649018), (14, 1177870), (20, 824509), (28, 588935), (35, 471148), (70, 235574), (140, 117787)]