164184880

素因数分解:

$2^4\times 5^1\times {\mathrm{2052311}}^1$

素因数の和:2052324

約数の個数: 20

約数和(自身を含む): 381730032

約数和(自身を除く): 217545152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2052311, 4104622, 8209244, 10261555, 16418488, 20523110, 32836976, 41046220, 82092440, 164184880]

約数ペア:

[(1, 164184880), (2, 82092440), (4, 41046220), (5, 32836976), (8, 20523110), (10, 16418488), (16, 10261555), (20, 8209244), (40, 4104622), (80, 2052311)]