166396280

素因数分解:

$2^3\times 5^1\times {\mathrm{4159907}}^1$

素因数の和:4159918

約数の個数: 16

約数和(自身を含む): 374391720

約数和(自身を除く): 207995440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4159907, 8319814, 16639628, 20799535, 33279256, 41599070, 83198140, 166396280]

約数ペア:

[(1, 166396280), (2, 83198140), (4, 41599070), (5, 33279256), (8, 20799535), (10, 16639628), (20, 8319814), (40, 4159907)]