27687040

素因数分解:

$2^7\times 5^1\times {\mathrm{43261}}^1$

素因数の和:43280

約数の個数: 32

約数和(自身を含む): 66190860

約数和(自身を除く): 38503820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43261, 86522, 173044, 216305, 346088, 432610, 692176, 865220, 1384352, 1730440, 2768704, 3460880, 5537408, 6921760, 13843520, 27687040]

約数ペア:

[(1, 27687040), (2, 13843520), (4, 6921760), (5, 5537408), (8, 3460880), (10, 2768704), (16, 1730440), (20, 1384352), (32, 865220), (40, 692176), (64, 432610), (80, 346088), (128, 216305), (160, 173044), (320, 86522), (640, 43261)]