166213480

素因数分解:

$2^3\times 5^1\times {\mathrm{4155337}}^1$

素因数の和:4155348

約数の個数: 16

約数和(自身を含む): 373980420

約数和(自身を除く): 207766940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4155337, 8310674, 16621348, 20776685, 33242696, 41553370, 83106740, 166213480]

約数ペア:

[(1, 166213480), (2, 83106740), (4, 41553370), (5, 33242696), (8, 20776685), (10, 16621348), (20, 8310674), (40, 4155337)]