199066520

素因数分解:

$2^3\times 5^1\times {\mathrm{4976663}}^1$

素因数の和:4976674

約数の個数: 16

約数和(自身を含む): 447899760

約数和(自身を除く): 248833240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4976663, 9953326, 19906652, 24883315, 39813304, 49766630, 99533260, 199066520]

約数ペア:

[(1, 199066520), (2, 99533260), (4, 49766630), (5, 39813304), (8, 24883315), (10, 19906652), (20, 9953326), (40, 4976663)]