208064240

素因数分解:

$2^4\times 5^1\times {\mathrm{2600803}}^1$

素因数の和:2600816

約数の個数: 20

約数和(自身を含む): 483749544

約数和(自身を除く): 275685304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600803, 5201606, 10403212, 13004015, 20806424, 26008030, 41612848, 52016060, 104032120, 208064240]

約数ペア:

[(1, 208064240), (2, 104032120), (4, 52016060), (5, 41612848), (8, 26008030), (10, 20806424), (16, 13004015), (20, 10403212), (40, 5201606), (80, 2600803)]