808122820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2126639}}^1$

素因数の和:2126667

約数の個数: 24

約数和(自身を含む): 1786377600

約数和(自身を除く): 978254780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2126639, 4253278, 8506556, 10633195, 21266390, 40406141, 42532780, 80812282, 161624564, 202030705, 404061410, 808122820]

約数ペア:

[(1, 808122820), (2, 404061410), (4, 202030705), (5, 161624564), (10, 80812282), (19, 42532780), (20, 40406141), (38, 21266390), (76, 10633195), (95, 8506556), (190, 4253278), (380, 2126639)]