49885000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 127646640

約数和(自身を除く): 77761640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 907, 1000, 1100, 1250, 1375, 1814, 2200, 2500, 2750, 3628, 4535, 5000, 5500, 6875, 7256, 9070, 9977, 11000, 13750, 18140, 19954, 22675, 27500, 36280, 39908, 45350, 49885, 55000, 79816, 90700, 99770, 113375, 181400, 199540, 226750, 249425, 399080, 453500, 498850, 566875, 907000, 997700, 1133750, 1247125, 1995400, 2267500, 2494250, 4535000, 4988500, 6235625, 9977000, 12471250, 24942500, 49885000]

約数ペア:

[(1, 49885000), (2, 24942500), (4, 12471250), (5, 9977000), (8, 6235625), (10, 4988500), (11, 4535000), (20, 2494250), (22, 2267500), (25, 1995400), (40, 1247125), (44, 1133750), (50, 997700), (55, 907000), (88, 566875), (100, 498850), (110, 453500), (125, 399080), (200, 249425), (220, 226750), (250, 199540), (275, 181400), (440, 113375), (500, 99770), (550, 90700), (625, 79816), (907, 55000), (1000, 49885), (1100, 45350), (1250, 39908), (1375, 36280), (1814, 27500), (2200, 22675), (2500, 19954), (2750, 18140), (3628, 13750), (4535, 11000), (5000, 9977), (5500, 9070), (6875, 7256)]