12489260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89209}}^1$

素因数の和:89225

約数の個数: 24

約数和(自身を含む): 29974560

約数和(自身を除く): 17485300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89209, 178418, 356836, 446045, 624463, 892090, 1248926, 1784180, 2497852, 3122315, 6244630, 12489260]

約数ペア:

[(1, 12489260), (2, 6244630), (4, 3122315), (5, 2497852), (7, 1784180), (10, 1248926), (14, 892090), (20, 624463), (28, 446045), (35, 356836), (70, 178418), (140, 89209)]