13937140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{99551}}^1$

素因数の和:99567

約数の個数: 24

約数和(自身を含む): 33449472

約数和(自身を除く): 19512332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 99551, 199102, 398204, 497755, 696857, 995510, 1393714, 1991020, 2787428, 3484285, 6968570, 13937140]

約数ペア:

[(1, 13937140), (2, 6968570), (4, 3484285), (5, 2787428), (7, 1991020), (10, 1393714), (14, 995510), (20, 696857), (28, 497755), (35, 398204), (70, 199102), (140, 99551)]