12880540

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1061}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 27119232

約数和(自身を除く): 14238692

約数列:

[1, 2, 4, 5, 10, 20, 607, 1061, 1214, 2122, 2428, 3035, 4244, 5305, 6070, 10610, 12140, 21220, 644027, 1288054, 2576108, 3220135, 6440270, 12880540]

約数ペア:

[(1, 12880540), (2, 6440270), (4, 3220135), (5, 2576108), (10, 1288054), (20, 644027), (607, 21220), (1061, 12140), (1214, 10610), (2122, 6070), (2428, 5305), (3035, 4244)]