126609260

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{12893}}^1$

素因数の和:13393

約数の個数: 24

約数和(自身を含む): 266441616

約数和(自身を除く): 139832356

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 12893, 25786, 51572, 64465, 128930, 257860, 6330463, 12660926, 25321852, 31652315, 63304630, 126609260]

約数ペア:

[(1, 126609260), (2, 63304630), (4, 31652315), (5, 25321852), (10, 12660926), (20, 6330463), (491, 257860), (982, 128930), (1964, 64465), (2455, 51572), (4910, 25786), (9820, 12893)]