3980260

素因数分解:

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

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 8479296

約数和(自身を除く): 4499036

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2803, 5606, 11212, 14015, 28030, 56060, 199013, 398026, 796052, 995065, 1990130, 3980260]

約数ペア:

[(1, 3980260), (2, 1990130), (4, 995065), (5, 796052), (10, 398026), (20, 199013), (71, 56060), (142, 28030), (284, 14015), (355, 11212), (710, 5606), (1420, 2803)]