2080451905

素因数分解:

$5^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{42187}}^1$

素因数の和:43608

約数の個数: 16

約数和(自身を含む): 2855283840

約数和(自身を除く): 774831935

約数列:

[1, 5, 7, 35, 1409, 7045, 9863, 42187, 49315, 210935, 295309, 1476545, 59441483, 297207415, 416090381, 2080451905]

約数ペア:

[(1, 2080451905), (5, 416090381), (7, 297207415), (35, 59441483), (1409, 1476545), (7045, 295309), (9863, 210935), (42187, 49315)]