2525540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 5338872

約数和(自身を除く): 2813332

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 641, 788, 985, 1282, 1970, 2564, 3205, 3940, 6410, 12820, 126277, 252554, 505108, 631385, 1262770, 2525540]

約数ペア:

[(1, 2525540), (2, 1262770), (4, 631385), (5, 505108), (10, 252554), (20, 126277), (197, 12820), (394, 6410), (641, 3940), (788, 3205), (985, 2564), (1282, 1970)]