8204440

素因数分解:

$2^3\times 5^1\times {\mathrm{205111}}^1$

素因数の和:205122

約数の個数: 16

約数和(自身を含む): 18460080

約数和(自身を除く): 10255640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 205111, 410222, 820444, 1025555, 1640888, 2051110, 4102220, 8204440]

約数ペア:

[(1, 8204440), (2, 4102220), (4, 2051110), (5, 1640888), (8, 1025555), (10, 820444), (20, 410222), (40, 205111)]