6875000

素因数分解:

$2^3\times 5^7\times {\mathrm{11}}^1$

素因数の和:52

約数の個数: 64

約数和(自身を含む): 17578080

約数和(自身を除く): 10703080

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, 1000, 1100, 1250, 1375, 2200, 2500, 2750, 3125, 5000, 5500, 6250, 6875, 11000, 12500, 13750, 15625, 25000, 27500, 31250, 34375, 55000, 62500, 68750, 78125, 125000, 137500, 156250, 171875, 275000, 312500, 343750, 625000, 687500, 859375, 1375000, 1718750, 3437500, 6875000]

約数ペア:

[(1, 6875000), (2, 3437500), (4, 1718750), (5, 1375000), (8, 859375), (10, 687500), (11, 625000), (20, 343750), (22, 312500), (25, 275000), (40, 171875), (44, 156250), (50, 137500), (55, 125000), (88, 78125), (100, 68750), (110, 62500), (125, 55000), (200, 34375), (220, 31250), (250, 27500), (275, 25000), (440, 15625), (500, 13750), (550, 12500), (625, 11000), (1000, 6875), (1100, 6250), (1250, 5500), (1375, 5000), (2200, 3125), (2500, 2750)]