166397480

素因数分解:

$2^3\times 5^1\times {\mathrm{4159937}}^1$

素因数の和:4159948

約数の個数: 16

約数和(自身を含む): 374394420

約数和(自身を除く): 207996940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4159937, 8319874, 16639748, 20799685, 33279496, 41599370, 83198740, 166397480]

約数ペア:

[(1, 166397480), (2, 83198740), (4, 41599370), (5, 33279496), (8, 20799685), (10, 16639748), (20, 8319874), (40, 4159937)]