27770240

素因数分解:

$2^7\times 5^1\times {\mathrm{43391}}^1$

素因数の和:43410

約数の個数: 32

約数和(自身を含む): 66389760

約数和(自身を除く): 38619520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43391, 86782, 173564, 216955, 347128, 433910, 694256, 867820, 1388512, 1735640, 2777024, 3471280, 5554048, 6942560, 13885120, 27770240]

約数ペア:

[(1, 27770240), (2, 13885120), (4, 6942560), (5, 5554048), (8, 3471280), (10, 2777024), (16, 1735640), (20, 1388512), (32, 867820), (40, 694256), (64, 433910), (80, 347128), (128, 216955), (160, 173564), (320, 86782), (640, 43391)]