168367720

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{9721}}^1$

素因数の和:10165

約数の個数: 32

約数和(自身を含む): 379741320

約数和(自身を除く): 211373600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 8660, 9721, 17320, 19442, 38884, 48605, 77768, 97210, 194420, 388840, 4209193, 8418386, 16836772, 21045965, 33673544, 42091930, 84183860, 168367720]

約数ペア:

[(1, 168367720), (2, 84183860), (4, 42091930), (5, 33673544), (8, 21045965), (10, 16836772), (20, 8418386), (40, 4209193), (433, 388840), (866, 194420), (1732, 97210), (2165, 77768), (3464, 48605), (4330, 38884), (8660, 19442), (9721, 17320)]