18206080

素因数分解:

$2^7\times 5^1\times {\mathrm{28447}}^1$

素因数の和:28466

約数の個数: 32

約数和(自身を含む): 43525440

約数和(自身を除く): 25319360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28447, 56894, 113788, 142235, 227576, 284470, 455152, 568940, 910304, 1137880, 1820608, 2275760, 3641216, 4551520, 9103040, 18206080]

約数ペア:

[(1, 18206080), (2, 9103040), (4, 4551520), (5, 3641216), (8, 2275760), (10, 1820608), (16, 1137880), (20, 910304), (32, 568940), (40, 455152), (64, 284470), (80, 227576), (128, 142235), (160, 113788), (320, 56894), (640, 28447)]