12784160

素因数分解:

$2^5\times 5^1\times {\mathrm{79901}}^1$

素因数の和:79916

約数の個数: 24

約数和(自身を含む): 30202956

約数和(自身を除く): 17418796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 79901, 159802, 319604, 399505, 639208, 799010, 1278416, 1598020, 2556832, 3196040, 6392080, 12784160]

約数ペア:

[(1, 12784160), (2, 6392080), (4, 3196040), (5, 2556832), (8, 1598020), (10, 1278416), (16, 799010), (20, 639208), (32, 399505), (40, 319604), (80, 159802), (160, 79901)]