85581580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{611297}}^1$

素因数の和:611313

約数の個数: 24

約数和(自身を含む): 205396128

約数和(自身を除く): 119814548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 611297, 1222594, 2445188, 3056485, 4279079, 6112970, 8558158, 12225940, 17116316, 21395395, 42790790, 85581580]

約数ペア:

[(1, 85581580), (2, 42790790), (4, 21395395), (5, 17116316), (7, 12225940), (10, 8558158), (14, 6112970), (20, 4279079), (28, 3056485), (35, 2445188), (70, 1222594), (140, 611297)]