26212820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6653}}^1$

素因数の和:6859

約数の個数: 24

約数和(自身を含む): 55334664

約数和(自身を除く): 29121844

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 6653, 13306, 26612, 33265, 66530, 133060, 1310641, 2621282, 5242564, 6553205, 13106410, 26212820]

約数ペア:

[(1, 26212820), (2, 13106410), (4, 6553205), (5, 5242564), (10, 2621282), (20, 1310641), (197, 133060), (394, 66530), (788, 33265), (985, 26612), (1970, 13306), (3940, 6653)]