220702960

素因数分解:

$2^4\times 5^1\times {\mathrm{2758787}}^1$

素因数の和:2758800

約数の個数: 20

約数和(自身を含む): 513134568

約数和(自身を除く): 292431608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2758787, 5517574, 11035148, 13793935, 22070296, 27587870, 44140592, 55175740, 110351480, 220702960]

約数ペア:

[(1, 220702960), (2, 110351480), (4, 55175740), (5, 44140592), (8, 27587870), (10, 22070296), (16, 13793935), (20, 11035148), (40, 5517574), (80, 2758787)]