814711280

素因数分解:

$2^4\times 5^1\times {\mathrm{10183891}}^1$

素因数の和:10183904

約数の個数: 20

約数和(自身を含む): 1894203912

約数和(自身を除く): 1079492632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10183891, 20367782, 40735564, 50919455, 81471128, 101838910, 162942256, 203677820, 407355640, 814711280]

約数ペア:

[(1, 814711280), (2, 407355640), (4, 203677820), (5, 162942256), (8, 101838910), (10, 81471128), (16, 50919455), (20, 40735564), (40, 20367782), (80, 10183891)]