164083280

素因数分解:

$2^4\times 5^1\times {\mathrm{2051041}}^1$

素因数の和:2051054

約数の個数: 20

約数和(自身を含む): 381493812

約数和(自身を除く): 217410532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2051041, 4102082, 8204164, 10255205, 16408328, 20510410, 32816656, 41020820, 82041640, 164083280]

約数ペア:

[(1, 164083280), (2, 82041640), (4, 41020820), (5, 32816656), (8, 20510410), (10, 16408328), (16, 10255205), (20, 8204164), (40, 4102082), (80, 2051041)]