210447680

素因数分解:

$2^6\times 5^1\times {\mathrm{657649}}^1$

素因数の和:657666

約数の個数: 28

約数和(自身を含む): 501129300

約数和(自身を除く): 290681620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 657649, 1315298, 2630596, 3288245, 5261192, 6576490, 10522384, 13152980, 21044768, 26305960, 42089536, 52611920, 105223840, 210447680]

約数ペア:

[(1, 210447680), (2, 105223840), (4, 52611920), (5, 42089536), (8, 26305960), (10, 21044768), (16, 13152980), (20, 10522384), (32, 6576490), (40, 5261192), (64, 3288245), (80, 2630596), (160, 1315298), (320, 657649)]