2008385920

素因数分解:

$2^7\times 5^1\times {\mathrm{3138103}}^1$

素因数の和:3138122

約数の個数: 32

約数和(自身を含む): 4801299120

約数和(自身を除く): 2792913200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3138103, 6276206, 12552412, 15690515, 25104824, 31381030, 50209648, 62762060, 100419296, 125524120, 200838592, 251048240, 401677184, 502096480, 1004192960, 2008385920]

約数ペア:

[(1, 2008385920), (2, 1004192960), (4, 502096480), (5, 401677184), (8, 251048240), (10, 200838592), (16, 125524120), (20, 100419296), (32, 62762060), (40, 50209648), (64, 31381030), (80, 25104824), (128, 15690515), (160, 12552412), (320, 6276206), (640, 3138103)]