12686660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90619}}^1$

素因数の和:90635

約数の個数: 24

約数和(自身を含む): 30448320

約数和(自身を除く): 17761660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90619, 181238, 362476, 453095, 634333, 906190, 1268666, 1812380, 2537332, 3171665, 6343330, 12686660]

約数ペア:

[(1, 12686660), (2, 6343330), (4, 3171665), (5, 2537332), (7, 1812380), (10, 1268666), (14, 906190), (20, 634333), (28, 453095), (35, 362476), (70, 181238), (140, 90619)]