8904020

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1283}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 18766944

約数和(自身を除く): 9862924

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1283, 1388, 1735, 2566, 3470, 5132, 6415, 6940, 12830, 25660, 445201, 890402, 1780804, 2226005, 4452010, 8904020]

約数ペア:

[(1, 8904020), (2, 4452010), (4, 2226005), (5, 1780804), (10, 890402), (20, 445201), (347, 25660), (694, 12830), (1283, 6940), (1388, 6415), (1735, 5132), (2566, 3470)]