406977820

素因数分解:

$2^2\times 5^1\times {\mathrm{3271}}^1\times {\mathrm{6221}}^1$

素因数の和:9501

約数の個数: 24

約数和(自身を含む): 855052128

約数和(自身を除く): 448074308

約数列:

[1, 2, 4, 5, 10, 20, 3271, 6221, 6542, 12442, 13084, 16355, 24884, 31105, 32710, 62210, 65420, 124420, 20348891, 40697782, 81395564, 101744455, 203488910, 406977820]

約数ペア:

[(1, 406977820), (2, 203488910), (4, 101744455), (5, 81395564), (10, 40697782), (20, 20348891), (3271, 124420), (6221, 65420), (6542, 62210), (12442, 32710), (13084, 31105), (16355, 24884)]