56289440

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2685

約数の個数: 48

約数和(自身を含む): 133993440

約数和(自身を除く): 77704000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2531, 2780, 4448, 5062, 5560, 10124, 11120, 12655, 20248, 22240, 25310, 40496, 50620, 80992, 101240, 202480, 351809, 404960, 703618, 1407236, 1759045, 2814472, 3518090, 5628944, 7036180, 11257888, 14072360, 28144720, 56289440]

約数ペア:

[(1, 56289440), (2, 28144720), (4, 14072360), (5, 11257888), (8, 7036180), (10, 5628944), (16, 3518090), (20, 2814472), (32, 1759045), (40, 1407236), (80, 703618), (139, 404960), (160, 351809), (278, 202480), (556, 101240), (695, 80992), (1112, 50620), (1390, 40496), (2224, 25310), (2531, 22240), (2780, 20248), (4448, 12655), (5062, 11120), (5560, 10124)]