129347720

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{9319}}^1$

素因数の和:9677

約数の個数: 32

約数和(自身を含む): 291902400

約数和(自身を除く): 162554680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 9319, 13880, 18638, 37276, 46595, 74552, 93190, 186380, 372760, 3233693, 6467386, 12934772, 16168465, 25869544, 32336930, 64673860, 129347720]

約数ペア:

[(1, 129347720), (2, 64673860), (4, 32336930), (5, 25869544), (8, 16168465), (10, 12934772), (20, 6467386), (40, 3233693), (347, 372760), (694, 186380), (1388, 93190), (1735, 74552), (2776, 46595), (3470, 37276), (6940, 18638), (9319, 13880)]