39441080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20123}}^1$

素因数の和:20148

約数の個数: 48

約数和(自身を含む): 103236120

約数和(自身を除く): 63795040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20123, 40246, 80492, 100615, 140861, 160984, 201230, 281722, 402460, 563444, 704305, 804920, 986027, 1126888, 1408610, 1972054, 2817220, 3944108, 4930135, 5634440, 7888216, 9860270, 19720540, 39441080]

約数ペア:

[(1, 39441080), (2, 19720540), (4, 9860270), (5, 7888216), (7, 5634440), (8, 4930135), (10, 3944108), (14, 2817220), (20, 1972054), (28, 1408610), (35, 1126888), (40, 986027), (49, 804920), (56, 704305), (70, 563444), (98, 402460), (140, 281722), (196, 201230), (245, 160984), (280, 140861), (392, 100615), (490, 80492), (980, 40246), (1960, 20123)]