12918016.000000000

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30529}}^1$

素因数の和:30647

約数の個数: 32

約数和(自身を含む): 296751600

約数和(自身を除く): 166087480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 30529, 61058, 122116, 152645, 244232, 305290, 610580, 1221160, 3266603, 6533206, 13066412, 16333015, 26132824, 32666030, 65332060, 130664120]

約数ペア:

[(1, 130664120), (2, 65332060), (4, 32666030), (5, 26132824), (8, 16333015), (10, 13066412), (20, 6533206), (40, 3266603), (107, 1221160), (214, 610580), (428, 305290), (535, 244232), (856, 152645), (1070, 122116), (2140, 61058), (4280, 30529)]