71171080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43397}}^1$

素因数の和:43449

約数の個数: 32

約数和(自身を含む): 164044440

約数和(自身を除く): 92873360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43397, 86794, 173588, 216985, 347176, 433970, 867940, 1735880, 1779277, 3558554, 7117108, 8896385, 14234216, 17792770, 35585540, 71171080]

約数ペア:

[(1, 71171080), (2, 35585540), (4, 17792770), (5, 14234216), (8, 8896385), (10, 7117108), (20, 3558554), (40, 1779277), (41, 1735880), (82, 867940), (164, 433970), (205, 347176), (328, 216985), (410, 173588), (820, 86794), (1640, 43397)]