774353080

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{19937}}^1$

素因数の和:20919

約数の個数: 32

約数和(自身を含む): 1744176240

約数和(自身を除く): 969823160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 19937, 38840, 39874, 79748, 99685, 159496, 199370, 398740, 797480, 19358827, 38717654, 77435308, 96794135, 154870616, 193588270, 387176540, 774353080]

約数ペア:

[(1, 774353080), (2, 387176540), (4, 193588270), (5, 154870616), (8, 96794135), (10, 77435308), (20, 38717654), (40, 19358827), (971, 797480), (1942, 398740), (3884, 199370), (4855, 159496), (7768, 99685), (9710, 79748), (19420, 39874), (19937, 38840)]