20104000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{359}}^1$

素因数の和:393

約数の個数: 112

約数和(自身を含む): 57058560

約数和(自身を除く): 36954560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 359, 400, 448, 500, 560, 700, 718, 800, 875, 1000, 1120, 1400, 1436, 1600, 1750, 1795, 2000, 2240, 2513, 2800, 2872, 3500, 3590, 4000, 5026, 5600, 5744, 7000, 7180, 8000, 8975, 10052, 11200, 11488, 12565, 14000, 14360, 17950, 20104, 22976, 25130, 28000, 28720, 35900, 40208, 44875, 50260, 56000, 57440, 62825, 71800, 80416, 89750, 100520, 114880, 125650, 143600, 160832, 179500, 201040, 251300, 287200, 314125, 359000, 402080, 502600, 574400, 628250, 718000, 804160, 1005200, 1256500, 1436000, 2010400, 2513000, 2872000, 4020800, 5026000, 10052000, 20104000]

約数ペア:

[(1, 20104000), (2, 10052000), (4, 5026000), (5, 4020800), (7, 2872000), (8, 2513000), (10, 2010400), (14, 1436000), (16, 1256500), (20, 1005200), (25, 804160), (28, 718000), (32, 628250), (35, 574400), (40, 502600), (50, 402080), (56, 359000), (64, 314125), (70, 287200), (80, 251300), (100, 201040), (112, 179500), (125, 160832), (140, 143600), (160, 125650), (175, 114880), (200, 100520), (224, 89750), (250, 80416), (280, 71800), (320, 62825), (350, 57440), (359, 56000), (400, 50260), (448, 44875), (500, 40208), (560, 35900), (700, 28720), (718, 28000), (800, 25130), (875, 22976), (1000, 20104), (1120, 17950), (1400, 14360), (1436, 14000), (1600, 12565), (1750, 11488), (1795, 11200), (2000, 10052), (2240, 8975), (2513, 8000), (2800, 7180), (2872, 7000), (3500, 5744), (3590, 5600), (4000, 5026)]