28086220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61057}}^1$

素因数の和:61089

約数の個数: 24

約数和(自身を含む): 61546464

約数和(自身を除く): 33460244

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61057, 122114, 244228, 305285, 610570, 1221140, 1404311, 2808622, 5617244, 7021555, 14043110, 28086220]

約数ペア:

[(1, 28086220), (2, 14043110), (4, 7021555), (5, 5617244), (10, 2808622), (20, 1404311), (23, 1221140), (46, 610570), (92, 305285), (115, 244228), (230, 122114), (460, 61057)]