85202440

素因数分解:

$2^3\times 5^1\times {\mathrm{2130061}}^1$

素因数の和:2130072

約数の個数: 16

約数和(自身を含む): 191705580

約数和(自身を除く): 106503140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2130061, 4260122, 8520244, 10650305, 17040488, 21300610, 42601220, 85202440]

約数ペア:

[(1, 85202440), (2, 42601220), (4, 21300610), (5, 17040488), (8, 10650305), (10, 8520244), (20, 4260122), (40, 2130061)]