85618540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{611561}}^1$

素因数の和:611577

約数の個数: 24

約数和(自身を含む): 205484832

約数和(自身を除く): 119866292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 611561, 1223122, 2446244, 3057805, 4280927, 6115610, 8561854, 12231220, 17123708, 21404635, 42809270, 85618540]

約数ペア:

[(1, 85618540), (2, 42809270), (4, 21404635), (5, 17123708), (7, 12231220), (10, 8561854), (14, 6115610), (20, 4280927), (28, 3057805), (35, 2446244), (70, 1223122), (140, 611561)]