156616640

素因数分解:

$2^6\times 5^1\times {\mathrm{489427}}^1$

素因数の和:489444

約数の個数: 28

約数和(自身を含む): 372944136

約数和(自身を除く): 216327496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 489427, 978854, 1957708, 2447135, 3915416, 4894270, 7830832, 9788540, 15661664, 19577080, 31323328, 39154160, 78308320, 156616640]

約数ペア:

[(1, 156616640), (2, 78308320), (4, 39154160), (5, 31323328), (8, 19577080), (10, 15661664), (16, 9788540), (20, 7830832), (32, 4894270), (40, 3915416), (64, 2447135), (80, 1957708), (160, 978854), (320, 489427)]