54839440

素因数分解:

$2^4\times 5^1\times {\mathrm{685493}}^1$

素因数の和:685506

約数の個数: 20

約数和(自身を含む): 127501884

約数和(自身を除く): 72662444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 685493, 1370986, 2741972, 3427465, 5483944, 6854930, 10967888, 13709860, 27419720, 54839440]

約数ペア:

[(1, 54839440), (2, 27419720), (4, 13709860), (5, 10967888), (8, 6854930), (10, 5483944), (16, 3427465), (20, 2741972), (40, 1370986), (80, 685493)]