27500000

素因数分解:

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

素因数の和:56

約数の個数: 96

約数和(自身を含む): 73827936

約数和(自身を除く): 46327936

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, 78125, 100000, 110000, 125000, 137500, 156250, 171875, 220000, 250000, 275000, 312500, 343750, 500000, 550000, 625000, 687500, 859375, 1100000, 1250000, 1375000, 1718750, 2500000, 2750000, 3437500, 5500000, 6875000, 13750000, 27500000]

約数ペア:

[(1, 27500000), (2, 13750000), (4, 6875000), (5, 5500000), (8, 3437500), (10, 2750000), (11, 2500000), (16, 1718750), (20, 1375000), (22, 1250000), (25, 1100000), (32, 859375), (40, 687500), (44, 625000), (50, 550000), (55, 500000), (80, 343750), (88, 312500), (100, 275000), (110, 250000), (125, 220000), (160, 171875), (176, 156250), (200, 137500), (220, 125000), (250, 110000), (275, 100000), (352, 78125), (400, 68750), (440, 62500), (500, 55000), (550, 50000), (625, 44000), (800, 34375), (880, 31250), (1000, 27500), (1100, 25000), (1250, 22000), (1375, 20000), (1760, 15625), (2000, 13750), (2200, 12500), (2500, 11000), (2750, 10000), (3125, 8800), (4000, 6875), (4400, 6250), (5000, 5500)]