85335880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304771}}^1$

素因数の和:304789

約数の個数: 32

約数和(自身を含む): 219435840

約数和(自身を除く): 134099960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304771, 609542, 1219084, 1523855, 2133397, 2438168, 3047710, 4266794, 6095420, 8533588, 10666985, 12190840, 17067176, 21333970, 42667940, 85335880]

約数ペア:

[(1, 85335880), (2, 42667940), (4, 21333970), (5, 17067176), (7, 12190840), (8, 10666985), (10, 8533588), (14, 6095420), (20, 4266794), (28, 3047710), (35, 2438168), (40, 2133397), (56, 1523855), (70, 1219084), (140, 609542), (280, 304771)]