54827780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{391627}}^1$

素因数の和:391643

約数の個数: 24

約数和(自身を含む): 131587008

約数和(自身を除く): 76759228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 391627, 783254, 1566508, 1958135, 2741389, 3916270, 5482778, 7832540, 10965556, 13706945, 27413890, 54827780]

約数ペア:

[(1, 54827780), (2, 27413890), (4, 13706945), (5, 10965556), (7, 7832540), (10, 5482778), (14, 3916270), (20, 2741389), (28, 1958135), (35, 1566508), (70, 783254), (140, 391627)]