105800140

素因数分解:

$2^2\times 5^1\times {\mathrm{5290007}}^1$

素因数の和:5290016

約数の個数: 12

約数和(自身を含む): 222180336

約数和(自身を除く): 116380196

約数列:

[1, 2, 4, 5, 10, 20, 5290007, 10580014, 21160028, 26450035, 52900070, 105800140]

約数ペア:

[(1, 105800140), (2, 52900070), (4, 26450035), (5, 21160028), (10, 10580014), (20, 5290007)]