28517120

素因数分解:

$2^8\times 5^1\times {\mathrm{22279}}^1$

素因数の和:22300

約数の個数: 36

約数和(自身を含む): 68310480

約数和(自身を除く): 39793360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22279, 44558, 89116, 111395, 178232, 222790, 356464, 445580, 712928, 891160, 1425856, 1782320, 2851712, 3564640, 5703424, 7129280, 14258560, 28517120]

約数ペア:

[(1, 28517120), (2, 14258560), (4, 7129280), (5, 5703424), (8, 3564640), (10, 2851712), (16, 1782320), (20, 1425856), (32, 891160), (40, 712928), (64, 445580), (80, 356464), (128, 222790), (160, 178232), (256, 111395), (320, 89116), (640, 44558), (1280, 22279)]