5500000

素因数分解:

$2^5\times 5^6\times {\mathrm{11}}^1$

素因数の和:51

約数の個数: 84

約数和(自身を含む): 14765436

約数和(自身を除く): 9265436

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 440, 500, 550, 625, 800, 880, 1000, 1100, 1250, 1375, 1760, 2000, 2200, 2500, 2750, 3125, 4000, 4400, 5000, 5500, 6250, 6875, 8800, 10000, 11000, 12500, 13750, 15625, 20000, 22000, 25000, 27500, 31250, 34375, 44000, 50000, 55000, 62500, 68750, 100000, 110000, 125000, 137500, 171875, 220000, 250000, 275000, 343750, 500000, 550000, 687500, 1100000, 1375000, 2750000, 5500000]

約数ペア:

[(1, 5500000), (2, 2750000), (4, 1375000), (5, 1100000), (8, 687500), (10, 550000), (11, 500000), (16, 343750), (20, 275000), (22, 250000), (25, 220000), (32, 171875), (40, 137500), (44, 125000), (50, 110000), (55, 100000), (80, 68750), (88, 62500), (100, 55000), (110, 50000), (125, 44000), (160, 34375), (176, 31250), (200, 27500), (220, 25000), (250, 22000), (275, 20000), (352, 15625), (400, 13750), (440, 12500), (500, 11000), (550, 10000), (625, 8800), (800, 6875), (880, 6250), (1000, 5500), (1100, 5000), (1250, 4400), (1375, 4000), (1760, 3125), (2000, 2750), (2200, 2500)]