12657080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2903}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 28749600

約数和(自身を除く): 16092520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2903, 4360, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 316427, 632854, 1265708, 1582135, 2531416, 3164270, 6328540, 12657080]

約数ペア:

[(1, 12657080), (2, 6328540), (4, 3164270), (5, 2531416), (8, 1582135), (10, 1265708), (20, 632854), (40, 316427), (109, 116120), (218, 58060), (436, 29030), (545, 23224), (872, 14515), (1090, 11612), (2180, 5806), (2903, 4360)]