55306640

素因数分解:

$2^4\times 5^1\times {\mathrm{691333}}^1$

素因数の和:691346

約数の個数: 20

約数和(自身を含む): 128588124

約数和(自身を除く): 73281484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691333, 1382666, 2765332, 3456665, 5530664, 6913330, 11061328, 13826660, 27653320, 55306640]

約数ペア:

[(1, 55306640), (2, 27653320), (4, 13826660), (5, 11061328), (8, 6913330), (10, 5530664), (16, 3456665), (20, 2765332), (40, 1382666), (80, 691333)]