12784420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58111}}^1$

素因数の和:58131

約数の個数: 24

約数和(自身を含む): 29288448

約数和(自身を除く): 16504028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 58111, 116222, 232444, 290555, 581110, 639221, 1162220, 1278442, 2556884, 3196105, 6392210, 12784420]

約数ペア:

[(1, 12784420), (2, 6392210), (4, 3196105), (5, 2556884), (10, 1278442), (11, 1162220), (20, 639221), (22, 581110), (44, 290555), (55, 232444), (110, 116222), (220, 58111)]