26993140

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2099}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 56800800

約数和(自身を除く): 29807660

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2099, 2572, 3215, 4198, 6430, 8396, 10495, 12860, 20990, 41980, 1349657, 2699314, 5398628, 6748285, 13496570, 26993140]

約数ペア:

[(1, 26993140), (2, 13496570), (4, 6748285), (5, 5398628), (10, 2699314), (20, 1349657), (643, 41980), (1286, 20990), (2099, 12860), (2572, 10495), (3215, 8396), (4198, 6430)]