199500040

素因数分解:

$2^3\times 5^1\times {\mathrm{4987501}}^1$

素因数の和:4987512

約数の個数: 16

約数和(自身を含む): 448875180

約数和(自身を除く): 249375140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4987501, 9975002, 19950004, 24937505, 39900008, 49875010, 99750020, 199500040]

約数ペア:

[(1, 199500040), (2, 99750020), (4, 49875010), (5, 39900008), (8, 24937505), (10, 19950004), (20, 9975002), (40, 4987501)]