55159720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17909}}^1$

素因数の和:17938

約数の個数: 64

約数和(自身を含む): 154742400

約数和(自身を除く): 99582680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 17909, 35818, 71636, 89545, 125363, 143272, 179090, 196999, 250726, 358180, 393998, 501452, 626815, 716360, 787996, 984995, 1002904, 1253630, 1378993, 1575992, 1969990, 2507260, 2757986, 3939980, 5014520, 5515972, 6894965, 7879960, 11031944, 13789930, 27579860, 55159720]

約数ペア:

[(1, 55159720), (2, 27579860), (4, 13789930), (5, 11031944), (7, 7879960), (8, 6894965), (10, 5515972), (11, 5014520), (14, 3939980), (20, 2757986), (22, 2507260), (28, 1969990), (35, 1575992), (40, 1378993), (44, 1253630), (55, 1002904), (56, 984995), (70, 787996), (77, 716360), (88, 626815), (110, 501452), (140, 393998), (154, 358180), (220, 250726), (280, 196999), (308, 179090), (385, 143272), (440, 125363), (616, 89545), (770, 71636), (1540, 35818), (3080, 17909)]