12760240

素因数分解:

$2^4\times 5^1\times {\mathrm{159503}}^1$

素因数の和:159516

約数の個数: 20

約数和(自身を含む): 29667744

約数和(自身を除く): 16907504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159503, 319006, 638012, 797515, 1276024, 1595030, 2552048, 3190060, 6380120, 12760240]

約数ペア:

[(1, 12760240), (2, 6380120), (4, 3190060), (5, 2552048), (8, 1595030), (10, 1276024), (16, 797515), (20, 638012), (40, 319006), (80, 159503)]