8021080

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1039}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 18158400

約数和(自身を除く): 10137320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1039, 1544, 1930, 2078, 3860, 4156, 5195, 7720, 8312, 10390, 20780, 41560, 200527, 401054, 802108, 1002635, 1604216, 2005270, 4010540, 8021080]

約数ペア:

[(1, 8021080), (2, 4010540), (4, 2005270), (5, 1604216), (8, 1002635), (10, 802108), (20, 401054), (40, 200527), (193, 41560), (386, 20780), (772, 10390), (965, 8312), (1039, 7720), (1544, 5195), (1930, 4156), (2078, 3860)]