157820020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{343087}}^1$

素因数の和:343119

約数の個数: 24

約数和(自身を含む): 345832704

約数和(自身を除く): 188012684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 343087, 686174, 1372348, 1715435, 3430870, 6861740, 7891001, 15782002, 31564004, 39455005, 78910010, 157820020]

約数ペア:

[(1, 157820020), (2, 78910010), (4, 39455005), (5, 31564004), (10, 15782002), (20, 7891001), (23, 6861740), (46, 3430870), (92, 1715435), (115, 1372348), (230, 686174), (460, 343087)]