12545560

素因数分解:

$2^3\times 5^1\times {\mathrm{313639}}^1$

素因数の和:313650

約数の個数: 16

約数和(自身を含む): 28227600

約数和(自身を除く): 15682040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313639, 627278, 1254556, 1568195, 2509112, 3136390, 6272780, 12545560]

約数ペア:

[(1, 12545560), (2, 6272780), (4, 3136390), (5, 2509112), (8, 1568195), (10, 1254556), (20, 627278), (40, 313639)]