165714320

素因数分解:

$2^4\times 5^1\times {\mathrm{2071429}}^1$

素因数の和:2071442

約数の個数: 20

約数和(自身を含む): 385285980

約数和(自身を除く): 219571660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2071429, 4142858, 8285716, 10357145, 16571432, 20714290, 33142864, 41428580, 82857160, 165714320]

約数ペア:

[(1, 165714320), (2, 82857160), (4, 41428580), (5, 33142864), (8, 20714290), (10, 16571432), (16, 10357145), (20, 8285716), (40, 4142858), (80, 2071429)]