2640240484720

素因数分解:

$2^4\times 5^1\times {\mathrm{13309}}^1\times {\mathrm{2479751}}^1$

素因数の和:2493073

約数の個数: 40

約数和(自身を含む): 6139022836320

約数和(自身を除く): 3498782351600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13309, 26618, 53236, 66545, 106472, 133090, 212944, 266180, 532360, 1064720, 2479751, 4959502, 9919004, 12398755, 19838008, 24797510, 39676016, 49595020, 99190040, 198380080, 33003006059, 66006012118, 132012024236, 165015030295, 264024048472, 330030060590, 528048096944, 660060121180, 1320120242360, 2640240484720]

約数ペア:

[(1, 2640240484720), (2, 1320120242360), (4, 660060121180), (5, 528048096944), (8, 330030060590), (10, 264024048472), (16, 165015030295), (20, 132012024236), (40, 66006012118), (80, 33003006059), (13309, 198380080), (26618, 99190040), (53236, 49595020), (66545, 39676016), (106472, 24797510), (133090, 19838008), (212944, 12398755), (266180, 9919004), (532360, 4959502), (1064720, 2479751)]