18020800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1638

約数の個数: 84

約数和(自身を含む): 50708560

約数和(自身を除く): 32687760

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, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1609, 2240, 2800, 3218, 5600, 6436, 8045, 11200, 11263, 12872, 16090, 22526, 25744, 32180, 40225, 45052, 51488, 56315, 64360, 80450, 90104, 102976, 112630, 128720, 160900, 180208, 225260, 257440, 281575, 321800, 360416, 450520, 514880, 563150, 643600, 720832, 901040, 1126300, 1287200, 1802080, 2252600, 2574400, 3604160, 4505200, 9010400, 18020800]

約数ペア:

[(1, 18020800), (2, 9010400), (4, 4505200), (5, 3604160), (7, 2574400), (8, 2252600), (10, 1802080), (14, 1287200), (16, 1126300), (20, 901040), (25, 720832), (28, 643600), (32, 563150), (35, 514880), (40, 450520), (50, 360416), (56, 321800), (64, 281575), (70, 257440), (80, 225260), (100, 180208), (112, 160900), (140, 128720), (160, 112630), (175, 102976), (200, 90104), (224, 80450), (280, 64360), (320, 56315), (350, 51488), (400, 45052), (448, 40225), (560, 32180), (700, 25744), (800, 22526), (1120, 16090), (1400, 12872), (1600, 11263), (1609, 11200), (2240, 8045), (2800, 6436), (3218, 5600)]