2027830180

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{247901}}^1$

素因数の和:248319

約数の個数: 24

約数和(自身を含む): 4268872440

約数和(自身を除く): 2241042260

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 247901, 495802, 991604, 1239505, 2479010, 4958020, 101391509, 202783018, 405566036, 506957545, 1013915090, 2027830180]

約数ペア:

[(1, 2027830180), (2, 1013915090), (4, 506957545), (5, 405566036), (10, 202783018), (20, 101391509), (409, 4958020), (818, 2479010), (1636, 1239505), (2045, 991604), (4090, 495802), (8180, 247901)]