87264640

素因数分解:

$2^7\times 5^1\times {\mathrm{136351}}^1$

素因数の和:136370

約数の個数: 32

約数和(自身を含む): 208618560

約数和(自身を除く): 121353920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136351, 272702, 545404, 681755, 1090808, 1363510, 2181616, 2727020, 4363232, 5454040, 8726464, 10908080, 17452928, 21816160, 43632320, 87264640]

約数ペア:

[(1, 87264640), (2, 43632320), (4, 21816160), (5, 17452928), (8, 10908080), (10, 8726464), (16, 5454040), (20, 4363232), (32, 2727020), (40, 2181616), (64, 1363510), (80, 1090808), (128, 681755), (160, 545404), (320, 272702), (640, 136351)]