28337320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64403}}^1$

素因数の和:64425

約数の個数: 32

約数和(自身を含む): 69556320

約数和(自身を除く): 41219000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64403, 128806, 257612, 322015, 515224, 644030, 708433, 1288060, 1416866, 2576120, 2833732, 3542165, 5667464, 7084330, 14168660, 28337320]

約数ペア:

[(1, 28337320), (2, 14168660), (4, 7084330), (5, 5667464), (8, 3542165), (10, 2833732), (11, 2576120), (20, 1416866), (22, 1288060), (40, 708433), (44, 644030), (55, 515224), (88, 322015), (110, 257612), (220, 128806), (440, 64403)]