1621272160

素因数分解:

$2^5\times 5^1\times {\mathrm{10132951}}^1$

素因数の和:10132966

約数の個数: 24

約数和(自身を含む): 3830255856

約数和(自身を除く): 2208983696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10132951, 20265902, 40531804, 50664755, 81063608, 101329510, 162127216, 202659020, 324254432, 405318040, 810636080, 1621272160]

約数ペア:

[(1, 1621272160), (2, 810636080), (4, 405318040), (5, 324254432), (8, 202659020), (10, 162127216), (16, 101329510), (20, 81063608), (32, 50664755), (40, 40531804), (80, 20265902), (160, 10132951)]