861259220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{418087}}^1$

素因数の和:418199

約数の個数: 24

約数和(自身を含む): 1826208384

約数和(自身を除く): 964949164

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 418087, 836174, 1672348, 2090435, 4180870, 8361740, 43062961, 86125922, 172251844, 215314805, 430629610, 861259220]

約数ペア:

[(1, 861259220), (2, 430629610), (4, 215314805), (5, 172251844), (10, 86125922), (20, 43062961), (103, 8361740), (206, 4180870), (412, 2090435), (515, 1672348), (1030, 836174), (2060, 418087)]