8780020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19087}}^1$

素因数の和:19119

約数の個数: 24

約数和(自身を含む): 19240704

約数和(自身を除く): 10460684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 19087, 38174, 76348, 95435, 190870, 381740, 439001, 878002, 1756004, 2195005, 4390010, 8780020]

約数ペア:

[(1, 8780020), (2, 4390010), (4, 2195005), (5, 1756004), (10, 878002), (20, 439001), (23, 381740), (46, 190870), (92, 95435), (115, 76348), (230, 38174), (460, 19087)]