28846220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110947}}^1$

素因数の和:110969

約数の個数: 24

約数和(自身を含む): 65237424

約数和(自身を除く): 36391204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110947, 221894, 443788, 554735, 1109470, 1442311, 2218940, 2884622, 5769244, 7211555, 14423110, 28846220]

約数ペア:

[(1, 28846220), (2, 14423110), (4, 7211555), (5, 5769244), (10, 2884622), (13, 2218940), (20, 1442311), (26, 1109470), (52, 554735), (65, 443788), (130, 221894), (260, 110947)]