80131180

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{5651}}^1$

素因数の和:6369

約数の個数: 24

約数和(自身を含む): 168542640

約数和(自身を除く): 88411460

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 5651, 7090, 11302, 14180, 22604, 28255, 56510, 113020, 4006559, 8013118, 16026236, 20032795, 40065590, 80131180]

約数ペア:

[(1, 80131180), (2, 40065590), (4, 20032795), (5, 16026236), (10, 8013118), (20, 4006559), (709, 113020), (1418, 56510), (2836, 28255), (3545, 22604), (5651, 14180), (7090, 11302)]