51274400

素因数分解:

$2^5\times 5^2\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:726

約数の個数: 72

約数和(自身を含む): 126554400

約数和(自身を除く): 75280000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 107, 160, 200, 214, 400, 428, 535, 599, 800, 856, 1070, 1198, 1712, 2140, 2396, 2675, 2995, 3424, 4280, 4792, 5350, 5990, 8560, 9584, 10700, 11980, 14975, 17120, 19168, 21400, 23960, 29950, 42800, 47920, 59900, 64093, 85600, 95840, 119800, 128186, 239600, 256372, 320465, 479200, 512744, 640930, 1025488, 1281860, 1602325, 2050976, 2563720, 3204650, 5127440, 6409300, 10254880, 12818600, 25637200, 51274400]

約数ペア:

[(1, 51274400), (2, 25637200), (4, 12818600), (5, 10254880), (8, 6409300), (10, 5127440), (16, 3204650), (20, 2563720), (25, 2050976), (32, 1602325), (40, 1281860), (50, 1025488), (80, 640930), (100, 512744), (107, 479200), (160, 320465), (200, 256372), (214, 239600), (400, 128186), (428, 119800), (535, 95840), (599, 85600), (800, 64093), (856, 59900), (1070, 47920), (1198, 42800), (1712, 29950), (2140, 23960), (2396, 21400), (2675, 19168), (2995, 17120), (3424, 14975), (4280, 11980), (4792, 10700), (5350, 9584), (5990, 8560)]