7960520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 18169920

約数和(自身を除く): 10209400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2803, 2840, 5606, 11212, 14015, 22424, 28030, 56060, 112120, 199013, 398026, 796052, 995065, 1592104, 1990130, 3980260, 7960520]

約数ペア:

[(1, 7960520), (2, 3980260), (4, 1990130), (5, 1592104), (8, 995065), (10, 796052), (20, 398026), (40, 199013), (71, 112120), (142, 56060), (284, 28030), (355, 22424), (568, 14015), (710, 11212), (1420, 5606), (2803, 2840)]