40897780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26557}}^1$

素因数の和:26584

約数の個数: 48

約数和(自身を含む): 107081856

約数和(自身を除く): 66184076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 26557, 53114, 106228, 132785, 185899, 265570, 292127, 371798, 531140, 584254, 743596, 929495, 1168508, 1460635, 1858990, 2044889, 2921270, 3717980, 4089778, 5842540, 8179556, 10224445, 20448890, 40897780]

約数ペア:

[(1, 40897780), (2, 20448890), (4, 10224445), (5, 8179556), (7, 5842540), (10, 4089778), (11, 3717980), (14, 2921270), (20, 2044889), (22, 1858990), (28, 1460635), (35, 1168508), (44, 929495), (55, 743596), (70, 584254), (77, 531140), (110, 371798), (140, 292127), (154, 265570), (220, 185899), (308, 132785), (385, 106228), (770, 53114), (1540, 26557)]