52880000

素因数分解:

$2^7\times 5^4\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 80

約数和(自身を含む): 131840610

約数和(自身を除く): 78960610

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 661, 800, 1000, 1250, 1322, 1600, 2000, 2500, 2644, 3200, 3305, 4000, 5000, 5288, 6610, 8000, 10000, 10576, 13220, 16000, 16525, 20000, 21152, 26440, 33050, 40000, 42304, 52880, 66100, 80000, 82625, 84608, 105760, 132200, 165250, 211520, 264400, 330500, 413125, 423040, 528800, 661000, 826250, 1057600, 1322000, 1652500, 2115200, 2644000, 3305000, 5288000, 6610000, 10576000, 13220000, 26440000, 52880000]

約数ペア:

[(1, 52880000), (2, 26440000), (4, 13220000), (5, 10576000), (8, 6610000), (10, 5288000), (16, 3305000), (20, 2644000), (25, 2115200), (32, 1652500), (40, 1322000), (50, 1057600), (64, 826250), (80, 661000), (100, 528800), (125, 423040), (128, 413125), (160, 330500), (200, 264400), (250, 211520), (320, 165250), (400, 132200), (500, 105760), (625, 84608), (640, 82625), (661, 80000), (800, 66100), (1000, 52880), (1250, 42304), (1322, 40000), (1600, 33050), (2000, 26440), (2500, 21152), (2644, 20000), (3200, 16525), (3305, 16000), (4000, 13220), (5000, 10576), (5288, 10000), (6610, 8000)]