85684880

素因数分解:

$2^4\times 5^1\times {\mathrm{1071061}}^1$

素因数の和:1071074

約数の個数: 20

約数和(自身を含む): 199217532

約数和(自身を除く): 113532652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071061, 2142122, 4284244, 5355305, 8568488, 10710610, 17136976, 21421220, 42842440, 85684880]

約数ペア:

[(1, 85684880), (2, 42842440), (4, 21421220), (5, 17136976), (8, 10710610), (10, 8568488), (16, 5355305), (20, 4284244), (40, 2142122), (80, 1071061)]