145035640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{18787}}^1$

素因数の和:18991

約数の個数: 32

約数和(自身を含む): 328038480

約数和(自身を除く): 183002840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 18787, 37574, 75148, 93935, 150296, 187870, 375740, 751480, 3625891, 7251782, 14503564, 18129455, 29007128, 36258910, 72517820, 145035640]

約数ペア:

[(1, 145035640), (2, 72517820), (4, 36258910), (5, 29007128), (8, 18129455), (10, 14503564), (20, 7251782), (40, 3625891), (193, 751480), (386, 375740), (772, 187870), (965, 150296), (1544, 93935), (1930, 75148), (3860, 37574), (7720, 18787)]