121345520

素因数分解:

$2^4\times 5^1\times {\mathrm{1516819}}^1$

素因数の和:1516832

約数の個数: 20

約数和(自身を含む): 282128520

約数和(自身を除く): 160783000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1516819, 3033638, 6067276, 7584095, 12134552, 15168190, 24269104, 30336380, 60672760, 121345520]

約数ペア:

[(1, 121345520), (2, 60672760), (4, 30336380), (5, 24269104), (8, 15168190), (10, 12134552), (16, 7584095), (20, 6067276), (40, 3033638), (80, 1516819)]