221182960

素因数分解:

$2^4\times 5^1\times {\mathrm{2764787}}^1$

素因数の和:2764800

約数の個数: 20

約数和(自身を含む): 514250568

約数和(自身を除く): 293067608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2764787, 5529574, 11059148, 13823935, 22118296, 27647870, 44236592, 55295740, 110591480, 221182960]

約数ペア:

[(1, 221182960), (2, 110591480), (4, 55295740), (5, 44236592), (8, 27647870), (10, 22118296), (16, 13823935), (20, 11059148), (40, 5529574), (80, 2764787)]