520024840

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{65993}}^1$

素因数の和:66201

約数の個数: 32

約数和(自身を含む): 1176013080

約数和(自身を除く): 655988240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 65993, 131986, 263972, 329965, 527944, 659930, 1319860, 2639720, 13000621, 26001242, 52002484, 65003105, 104004968, 130006210, 260012420, 520024840]

約数ペア:

[(1, 520024840), (2, 260012420), (4, 130006210), (5, 104004968), (8, 65003105), (10, 52002484), (20, 26001242), (40, 13000621), (197, 2639720), (394, 1319860), (788, 659930), (985, 527944), (1576, 329965), (1970, 263972), (3940, 131986), (7880, 65993)]