809140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 1774080

約数和(自身を除く): 964940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1759, 3518, 7036, 8795, 17590, 35180, 40457, 80914, 161828, 202285, 404570, 809140]

約数ペア:

[(1, 809140), (2, 404570), (4, 202285), (5, 161828), (10, 80914), (20, 40457), (23, 35180), (46, 17590), (92, 8795), (115, 7036), (230, 3518), (460, 1759)]