89987920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{102259}}^1$

素因数の和:102283

約数の個数: 40

約数和(自身を含む): 228244320

約数和(自身を除く): 138256400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 102259, 204518, 409036, 511295, 818072, 1022590, 1124849, 1636144, 2045180, 2249698, 4090360, 4499396, 5624245, 8180720, 8998792, 11248490, 17997584, 22496980, 44993960, 89987920]

約数ペア:

[(1, 89987920), (2, 44993960), (4, 22496980), (5, 17997584), (8, 11248490), (10, 8998792), (11, 8180720), (16, 5624245), (20, 4499396), (22, 4090360), (40, 2249698), (44, 2045180), (55, 1636144), (80, 1124849), (88, 1022590), (110, 818072), (176, 511295), (220, 409036), (440, 204518), (880, 102259)]