4286440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 9749160

約数和(自身を除く): 5462720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1061, 2020, 2122, 4040, 4244, 5305, 8488, 10610, 21220, 42440, 107161, 214322, 428644, 535805, 857288, 1071610, 2143220, 4286440]

約数ペア:

[(1, 4286440), (2, 2143220), (4, 1071610), (5, 857288), (8, 535805), (10, 428644), (20, 214322), (40, 107161), (101, 42440), (202, 21220), (404, 10610), (505, 8488), (808, 5305), (1010, 4244), (1061, 4040), (2020, 2122)]