27752080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8461}}^1$

素因数の和:8515

約数の個数: 40

約数和(自身を含む): 66105144

約数和(自身を除く): 38353064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8461, 16922, 33844, 42305, 67688, 84610, 135376, 169220, 338440, 346901, 676880, 693802, 1387604, 1734505, 2775208, 3469010, 5550416, 6938020, 13876040, 27752080]

約数ペア:

[(1, 27752080), (2, 13876040), (4, 6938020), (5, 5550416), (8, 3469010), (10, 2775208), (16, 1734505), (20, 1387604), (40, 693802), (41, 676880), (80, 346901), (82, 338440), (164, 169220), (205, 135376), (328, 84610), (410, 67688), (656, 42305), (820, 33844), (1640, 16922), (3280, 8461)]