264096640

素因数分解:

$2^7\times 5^1\times {\mathrm{412651}}^1$

素因数の和:412670

約数の個数: 32

約数和(自身を含む): 631357560

約数和(自身を除く): 367260920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 412651, 825302, 1650604, 2063255, 3301208, 4126510, 6602416, 8253020, 13204832, 16506040, 26409664, 33012080, 52819328, 66024160, 132048320, 264096640]

約数ペア:

[(1, 264096640), (2, 132048320), (4, 66024160), (5, 52819328), (8, 33012080), (10, 26409664), (16, 16506040), (20, 13204832), (32, 8253020), (40, 6602416), (64, 4126510), (80, 3301208), (128, 2063255), (160, 1650604), (320, 825302), (640, 412651)]