28206460

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7159}}^1$

素因数の和:7365

約数の個数: 24

約数和(自身を含む): 59542560

約数和(自身を除く): 31336100

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7159, 14318, 28636, 35795, 71590, 143180, 1410323, 2820646, 5641292, 7051615, 14103230, 28206460]

約数ペア:

[(1, 28206460), (2, 14103230), (4, 7051615), (5, 5641292), (10, 2820646), (20, 1410323), (197, 143180), (394, 71590), (788, 35795), (985, 28636), (1970, 14318), (3940, 7159)]