12668780

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{881}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 26671680

約数和(自身を除く): 14002900

約数列:

[1, 2, 4, 5, 10, 20, 719, 881, 1438, 1762, 2876, 3524, 3595, 4405, 7190, 8810, 14380, 17620, 633439, 1266878, 2533756, 3167195, 6334390, 12668780]

約数ペア:

[(1, 12668780), (2, 6334390), (4, 3167195), (5, 2533756), (10, 1266878), (20, 633439), (719, 17620), (881, 14380), (1438, 8810), (1762, 7190), (2876, 4405), (3524, 3595)]