2478741680

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{67211}}^1$

素因数の和:67685

約数の個数: 40

約数和(自身を含む): 5775661584

約数和(自身を除く): 3296919904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 18440, 36880, 67211, 134422, 268844, 336055, 537688, 672110, 1075376, 1344220, 2688440, 5376880, 30984271, 61968542, 123937084, 154921355, 247874168, 309842710, 495748336, 619685420, 1239370840, 2478741680]

約数ペア:

[(1, 2478741680), (2, 1239370840), (4, 619685420), (5, 495748336), (8, 309842710), (10, 247874168), (16, 154921355), (20, 123937084), (40, 61968542), (80, 30984271), (461, 5376880), (922, 2688440), (1844, 1344220), (2305, 1075376), (3688, 672110), (4610, 537688), (7376, 336055), (9220, 268844), (18440, 134422), (36880, 67211)]