28324120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64373}}^1$

素因数の和:64395

約数の個数: 32

約数和(自身を含む): 69523920

約数和(自身を除く): 41199800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64373, 128746, 257492, 321865, 514984, 643730, 708103, 1287460, 1416206, 2574920, 2832412, 3540515, 5664824, 7081030, 14162060, 28324120]

約数ペア:

[(1, 28324120), (2, 14162060), (4, 7081030), (5, 5664824), (8, 3540515), (10, 2832412), (11, 2574920), (20, 1416206), (22, 1287460), (40, 708103), (44, 643730), (55, 514984), (88, 321865), (110, 257492), (220, 128746), (440, 64373)]