39804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142159}}^1$

素因数の和:142177

約数の個数: 32

約数和(自身を含む): 102355200

約数和(自身を除く): 62550680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142159, 284318, 568636, 710795, 995113, 1137272, 1421590, 1990226, 2843180, 3980452, 4975565, 5686360, 7960904, 9951130, 19902260, 39804520]

約数ペア:

[(1, 39804520), (2, 19902260), (4, 9951130), (5, 7960904), (7, 5686360), (8, 4975565), (10, 3980452), (14, 2843180), (20, 1990226), (28, 1421590), (35, 1137272), (40, 995113), (56, 710795), (70, 568636), (140, 284318), (280, 142159)]