13406080

素因数分解:

$2^7\times 5^1\times {\mathrm{20947}}^1$

素因数の和:20966

約数の個数: 32

約数和(自身を含む): 32050440

約数和(自身を除く): 18644360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20947, 41894, 83788, 104735, 167576, 209470, 335152, 418940, 670304, 837880, 1340608, 1675760, 2681216, 3351520, 6703040, 13406080]

約数ペア:

[(1, 13406080), (2, 6703040), (4, 3351520), (5, 2681216), (8, 1675760), (10, 1340608), (16, 837880), (20, 670304), (32, 418940), (40, 335152), (64, 209470), (80, 167576), (128, 104735), (160, 83788), (320, 41894), (640, 20947)]