25004000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:98

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 50475040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 47, 50, 56, 70, 76, 80, 94, 95, 100, 112, 125, 133, 140, 152, 160, 175, 188, 190, 200, 224, 235, 250, 266, 280, 304, 329, 350, 376, 380, 400, 470, 475, 500, 532, 560, 608, 658, 665, 700, 752, 760, 800, 875, 893, 940, 950, 1000, 1064, 1120, 1175, 1316, 1330, 1400, 1504, 1520, 1645, 1750, 1786, 1880, 1900, 2000, 2128, 2350, 2375, 2632, 2660, 2800, 3040, 3290, 3325, 3500, 3572, 3760, 3800, 4000, 4256, 4465, 4700, 4750, 5264, 5320, 5600, 5875, 6251, 6580, 6650, 7000, 7144, 7520, 7600, 8225, 8930, 9400, 9500, 10528, 10640, 11750, 12502, 13160, 13300, 14000, 14288, 15200, 16450, 16625, 17860, 18800, 19000, 21280, 22325, 23500, 25004, 26320, 26600, 28000, 28576, 31255, 32900, 33250, 35720, 37600, 38000, 41125, 44650, 47000, 50008, 52640, 53200, 62510, 65800, 66500, 71440, 76000, 82250, 89300, 94000, 100016, 106400, 111625, 125020, 131600, 133000, 142880, 156275, 164500, 178600, 188000, 200032, 223250, 250040, 263200, 266000, 312550, 329000, 357200, 446500, 500080, 532000, 625100, 658000, 714400, 781375, 893000, 1000160, 1250200, 1316000, 1562750, 1786000, 2500400, 3125500, 3572000, 5000800, 6251000, 12502000, 25004000]

約数ペア:

[(1, 25004000), (2, 12502000), (4, 6251000), (5, 5000800), (7, 3572000), (8, 3125500), (10, 2500400), (14, 1786000), (16, 1562750), (19, 1316000), (20, 1250200), (25, 1000160), (28, 893000), (32, 781375), (35, 714400), (38, 658000), (40, 625100), (47, 532000), (50, 500080), (56, 446500), (70, 357200), (76, 329000), (80, 312550), (94, 266000), (95, 263200), (100, 250040), (112, 223250), (125, 200032), (133, 188000), (140, 178600), (152, 164500), (160, 156275), (175, 142880), (188, 133000), (190, 131600), (200, 125020), (224, 111625), (235, 106400), (250, 100016), (266, 94000), (280, 89300), (304, 82250), (329, 76000), (350, 71440), (376, 66500), (380, 65800), (400, 62510), (470, 53200), (475, 52640), (500, 50008), (532, 47000), (560, 44650), (608, 41125), (658, 38000), (665, 37600), (700, 35720), (752, 33250), (760, 32900), (800, 31255), (875, 28576), (893, 28000), (940, 26600), (950, 26320), (1000, 25004), (1064, 23500), (1120, 22325), (1175, 21280), (1316, 19000), (1330, 18800), (1400, 17860), (1504, 16625), (1520, 16450), (1645, 15200), (1750, 14288), (1786, 14000), (1880, 13300), (1900, 13160), (2000, 12502), (2128, 11750), (2350, 10640), (2375, 10528), (2632, 9500), (2660, 9400), (2800, 8930), (3040, 8225), (3290, 7600), (3325, 7520), (3500, 7144), (3572, 7000), (3760, 6650), (3800, 6580), (4000, 6251), (4256, 5875), (4465, 5600), (4700, 5320), (4750, 5264)]