85506820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{610763}}^1$

素因数の和:610779

約数の個数: 24

約数和(自身を含む): 205216704

約数和(自身を除く): 119709884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 610763, 1221526, 2443052, 3053815, 4275341, 6107630, 8550682, 12215260, 17101364, 21376705, 42753410, 85506820]

約数ペア:

[(1, 85506820), (2, 42753410), (4, 21376705), (5, 17101364), (7, 12215260), (10, 8550682), (14, 6107630), (20, 4275341), (28, 3053815), (35, 2443052), (70, 1221526), (140, 610763)]