49799440

素因数分解:

$2^4\times 5^1\times {\mathrm{622493}}^1$

素因数の和:622506

約数の個数: 20

約数和(自身を含む): 115783884

約数和(自身を除く): 65984444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 622493, 1244986, 2489972, 3112465, 4979944, 6224930, 9959888, 12449860, 24899720, 49799440]

約数ペア:

[(1, 49799440), (2, 24899720), (4, 12449860), (5, 9959888), (8, 6224930), (10, 4979944), (16, 3112465), (20, 2489972), (40, 1244986), (80, 622493)]