2018274320

素因数分解:

$2^4\times 5^1\times {\mathrm{25228429}}^1$

素因数の和:25228442

約数の個数: 20

約数和(自身を含む): 4692487980

約数和(自身を除く): 2674213660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25228429, 50456858, 100913716, 126142145, 201827432, 252284290, 403654864, 504568580, 1009137160, 2018274320]

約数ペア:

[(1, 2018274320), (2, 1009137160), (4, 504568580), (5, 403654864), (8, 252284290), (10, 201827432), (16, 126142145), (20, 100913716), (40, 50456858), (80, 25228429)]