5399440

素因数分解:

$2^4\times 5^1\times {\mathrm{67493}}^1$

素因数の和:67506

約数の個数: 20

約数和(自身を含む): 12553884

約数和(自身を除く): 7154444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 67493, 134986, 269972, 337465, 539944, 674930, 1079888, 1349860, 2699720, 5399440]

約数ペア:

[(1, 5399440), (2, 2699720), (4, 1349860), (5, 1079888), (8, 674930), (10, 539944), (16, 337465), (20, 269972), (40, 134986), (80, 67493)]