1353640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 3120480

約数和(自身を除く): 1766840

約数列:

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

約数ペア:

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