3640803220

素因数分解:

$2^2\times 5^1\times {\mathrm{182040161}}^1$

素因数の和:182040170

約数の個数: 12

約数和(自身を含む): 7645686804

約数和(自身を除く): 4004883584

約数列:

[1, 2, 4, 5, 10, 20, 182040161, 364080322, 728160644, 910200805, 1820401610, 3640803220]

約数ペア:

[(1, 3640803220), (2, 1820401610), (4, 910200805), (5, 728160644), (10, 364080322), (20, 182040161)]