5190400

素因数分解:

$2^8\times 5^2\times {\mathrm{811}}^1$

素因数の和:837

約数の個数: 54

約数和(自身を含む): 12862892

約数和(自身を除く): 7672492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 811, 1280, 1600, 1622, 3200, 3244, 4055, 6400, 6488, 8110, 12976, 16220, 20275, 25952, 32440, 40550, 51904, 64880, 81100, 103808, 129760, 162200, 207616, 259520, 324400, 519040, 648800, 1038080, 1297600, 2595200, 5190400]

約数ペア:

[(1, 5190400), (2, 2595200), (4, 1297600), (5, 1038080), (8, 648800), (10, 519040), (16, 324400), (20, 259520), (25, 207616), (32, 162200), (40, 129760), (50, 103808), (64, 81100), (80, 64880), (100, 51904), (128, 40550), (160, 32440), (200, 25952), (256, 20275), (320, 16220), (400, 12976), (640, 8110), (800, 6488), (811, 6400), (1280, 4055), (1600, 3244), (1622, 3200)]