201996440

素因数分解:

$2^3\times 5^1\times {\mathrm{5049911}}^1$

素因数の和:5049922

約数の個数: 16

約数和(自身を含む): 454492080

約数和(自身を除く): 252495640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5049911, 10099822, 20199644, 25249555, 40399288, 50499110, 100998220, 201996440]

約数ペア:

[(1, 201996440), (2, 100998220), (4, 50499110), (5, 40399288), (8, 25249555), (10, 20199644), (20, 10099822), (40, 5049911)]