12625640

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{719}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 15886360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 719, 878, 1438, 1756, 2195, 2876, 3512, 3595, 4390, 5752, 7190, 8780, 14380, 17560, 28760, 315641, 631282, 1262564, 1578205, 2525128, 3156410, 6312820, 12625640]

約数ペア:

[(1, 12625640), (2, 6312820), (4, 3156410), (5, 2525128), (8, 1578205), (10, 1262564), (20, 631282), (40, 315641), (439, 28760), (719, 17560), (878, 14380), (1438, 8780), (1756, 7190), (2195, 5752), (2876, 4390), (3512, 3595)]