2707280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 6448992

約数和(自身を除く): 3741712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 787, 860, 1574, 1720, 3148, 3440, 3935, 6296, 7870, 12592, 15740, 31480, 33841, 62960, 67682, 135364, 169205, 270728, 338410, 541456, 676820, 1353640, 2707280]

約数ペア:

[(1, 2707280), (2, 1353640), (4, 676820), (5, 541456), (8, 338410), (10, 270728), (16, 169205), (20, 135364), (40, 67682), (43, 62960), (80, 33841), (86, 31480), (172, 15740), (215, 12592), (344, 7870), (430, 6296), (688, 3935), (787, 3440), (860, 3148), (1574, 1720)]