55144640

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:849

約数の個数: 56

約数和(自身を含む): 131947920

約数和(自身を除く): 76803280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 443, 778, 886, 1556, 1772, 1945, 2215, 3112, 3544, 3890, 4430, 6224, 7088, 7780, 8860, 12448, 14176, 15560, 17720, 24896, 28352, 31120, 35440, 62240, 70880, 124480, 141760, 172327, 344654, 689308, 861635, 1378616, 1723270, 2757232, 3446540, 5514464, 6893080, 11028928, 13786160, 27572320, 55144640]

約数ペア:

[(1, 55144640), (2, 27572320), (4, 13786160), (5, 11028928), (8, 6893080), (10, 5514464), (16, 3446540), (20, 2757232), (32, 1723270), (40, 1378616), (64, 861635), (80, 689308), (160, 344654), (320, 172327), (389, 141760), (443, 124480), (778, 70880), (886, 62240), (1556, 35440), (1772, 31120), (1945, 28352), (2215, 24896), (3112, 17720), (3544, 15560), (3890, 14176), (4430, 12448), (6224, 8860), (7088, 7780)]