7975000

素因数分解:

$2^3\times 5^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 21092400

約数和(自身を除く): 13117400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 29, 40, 44, 50, 55, 58, 88, 100, 110, 116, 125, 145, 200, 220, 232, 250, 275, 290, 319, 440, 500, 550, 580, 625, 638, 725, 1000, 1100, 1160, 1250, 1276, 1375, 1450, 1595, 2200, 2500, 2552, 2750, 2900, 3125, 3190, 3625, 5000, 5500, 5800, 6250, 6380, 6875, 7250, 7975, 11000, 12500, 12760, 13750, 14500, 15950, 18125, 25000, 27500, 29000, 31900, 34375, 36250, 39875, 55000, 63800, 68750, 72500, 79750, 90625, 137500, 145000, 159500, 181250, 199375, 275000, 319000, 362500, 398750, 725000, 797500, 996875, 1595000, 1993750, 3987500, 7975000]

約数ペア:

[(1, 7975000), (2, 3987500), (4, 1993750), (5, 1595000), (8, 996875), (10, 797500), (11, 725000), (20, 398750), (22, 362500), (25, 319000), (29, 275000), (40, 199375), (44, 181250), (50, 159500), (55, 145000), (58, 137500), (88, 90625), (100, 79750), (110, 72500), (116, 68750), (125, 63800), (145, 55000), (200, 39875), (220, 36250), (232, 34375), (250, 31900), (275, 29000), (290, 27500), (319, 25000), (440, 18125), (500, 15950), (550, 14500), (580, 13750), (625, 12760), (638, 12500), (725, 11000), (1000, 7975), (1100, 7250), (1160, 6875), (1250, 6380), (1276, 6250), (1375, 5800), (1450, 5500), (1595, 5000), (2200, 3625), (2500, 3190), (2552, 3125), (2750, 2900)]