28104320

素因数分解:

$2^7\times 5^1\times {\mathrm{43913}}^1$

素因数の和:43932

約数の個数: 32

約数和(自身を含む): 67188420

約数和(自身を除く): 39084100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43913, 87826, 175652, 219565, 351304, 439130, 702608, 878260, 1405216, 1756520, 2810432, 3513040, 5620864, 7026080, 14052160, 28104320]

約数ペア:

[(1, 28104320), (2, 14052160), (4, 7026080), (5, 5620864), (8, 3513040), (10, 2810432), (16, 1756520), (20, 1405216), (32, 878260), (40, 702608), (64, 439130), (80, 351304), (128, 219565), (160, 175652), (320, 87826), (640, 43913)]