22000000

素因数分解:

$2^7\times 5^6\times {\mathrm{11}}^1$

素因数の和:55

約数の個数: 112

約数和(自身を含む): 59764860

約数和(自身を除く): 37764860

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 275, 320, 352, 400, 440, 500, 550, 625, 640, 704, 800, 880, 1000, 1100, 1250, 1375, 1408, 1600, 1760, 2000, 2200, 2500, 2750, 3125, 3200, 3520, 4000, 4400, 5000, 5500, 6250, 6875, 7040, 8000, 8800, 10000, 11000, 12500, 13750, 15625, 16000, 17600, 20000, 22000, 25000, 27500, 31250, 34375, 35200, 40000, 44000, 50000, 55000, 62500, 68750, 80000, 88000, 100000, 110000, 125000, 137500, 171875, 176000, 200000, 220000, 250000, 275000, 343750, 400000, 440000, 500000, 550000, 687500, 880000, 1000000, 1100000, 1375000, 2000000, 2200000, 2750000, 4400000, 5500000, 11000000, 22000000]

約数ペア:

[(1, 22000000), (2, 11000000), (4, 5500000), (5, 4400000), (8, 2750000), (10, 2200000), (11, 2000000), (16, 1375000), (20, 1100000), (22, 1000000), (25, 880000), (32, 687500), (40, 550000), (44, 500000), (50, 440000), (55, 400000), (64, 343750), (80, 275000), (88, 250000), (100, 220000), (110, 200000), (125, 176000), (128, 171875), (160, 137500), (176, 125000), (200, 110000), (220, 100000), (250, 88000), (275, 80000), (320, 68750), (352, 62500), (400, 55000), (440, 50000), (500, 44000), (550, 40000), (625, 35200), (640, 34375), (704, 31250), (800, 27500), (880, 25000), (1000, 22000), (1100, 20000), (1250, 17600), (1375, 16000), (1408, 15625), (1600, 13750), (1760, 12500), (2000, 11000), (2200, 10000), (2500, 8800), (2750, 8000), (3125, 7040), (3200, 6875), (3520, 6250), (4000, 5500), (4400, 5000)]