81705310

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{74959}}^1$

素因数の和:75075

約数の個数: 16

約数和(自身を含む): 148420800

約数和(自身を除く): 66715490

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 74959, 149918, 374795, 749590, 8170531, 16341062, 40852655, 81705310]

約数ペア:

[(1, 81705310), (2, 40852655), (5, 16341062), (10, 8170531), (109, 749590), (218, 374795), (545, 149918), (1090, 74959)]