801820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 1721664

約数和(自身を除く): 919844

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 853, 940, 1706, 3412, 4265, 8530, 17060, 40091, 80182, 160364, 200455, 400910, 801820]

約数ペア:

[(1, 801820), (2, 400910), (4, 200455), (5, 160364), (10, 80182), (20, 40091), (47, 17060), (94, 8530), (188, 4265), (235, 3412), (470, 1706), (853, 940)]