30686080

素因数分解:

$2^7\times 5^1\times {\mathrm{47947}}^1$

素因数の和:47966

約数の個数: 32

約数和(自身を含む): 73360440

約数和(自身を除く): 42674360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 47947, 95894, 191788, 239735, 383576, 479470, 767152, 958940, 1534304, 1917880, 3068608, 3835760, 6137216, 7671520, 15343040, 30686080]

約数ペア:

[(1, 30686080), (2, 15343040), (4, 7671520), (5, 6137216), (8, 3835760), (10, 3068608), (16, 1917880), (20, 1534304), (32, 958940), (40, 767152), (64, 479470), (80, 383576), (128, 239735), (160, 191788), (320, 95894), (640, 47947)]