55217540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394411}}^1$

素因数の和:394427

約数の個数: 24

約数和(自身を含む): 132522432

約数和(自身を除く): 77304892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394411, 788822, 1577644, 1972055, 2760877, 3944110, 5521754, 7888220, 11043508, 13804385, 27608770, 55217540]

約数ペア:

[(1, 55217540), (2, 27608770), (4, 13804385), (5, 11043508), (7, 7888220), (10, 5521754), (14, 3944110), (20, 2760877), (28, 1972055), (35, 1577644), (70, 788822), (140, 394411)]