28667320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5923}}^1$

素因数の和:5956

約数の個数: 48

約数和(自身を含む): 70910280

約数和(自身を除く): 42242960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5923, 11846, 23692, 29615, 47384, 59230, 65153, 118460, 130306, 236920, 260612, 325765, 521224, 651530, 716683, 1303060, 1433366, 2606120, 2866732, 3583415, 5733464, 7166830, 14333660, 28667320]

約数ペア:

[(1, 28667320), (2, 14333660), (4, 7166830), (5, 5733464), (8, 3583415), (10, 2866732), (11, 2606120), (20, 1433366), (22, 1303060), (40, 716683), (44, 651530), (55, 521224), (88, 325765), (110, 260612), (121, 236920), (220, 130306), (242, 118460), (440, 65153), (484, 59230), (605, 47384), (968, 29615), (1210, 23692), (2420, 11846), (4840, 5923)]