86458340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{105437}}^1$

素因数の和:105487

約数の個数: 24

約数和(自身を含む): 185992632

約数和(自身を除く): 99534292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 105437, 210874, 421748, 527185, 1054370, 2108740, 4322917, 8645834, 17291668, 21614585, 43229170, 86458340]

約数ペア:

[(1, 86458340), (2, 43229170), (4, 21614585), (5, 17291668), (10, 8645834), (20, 4322917), (41, 2108740), (82, 1054370), (164, 527185), (205, 421748), (410, 210874), (820, 105437)]