30950840

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1787}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 69839280

約数和(自身を除く): 38888440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 1787, 2165, 3464, 3574, 4330, 7148, 8660, 8935, 14296, 17320, 17870, 35740, 71480, 773771, 1547542, 3095084, 3868855, 6190168, 7737710, 15475420, 30950840]

約数ペア:

[(1, 30950840), (2, 15475420), (4, 7737710), (5, 6190168), (8, 3868855), (10, 3095084), (20, 1547542), (40, 773771), (433, 71480), (866, 35740), (1732, 17870), (1787, 17320), (2165, 14296), (3464, 8935), (3574, 8660), (4330, 7148)]