25993000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 70761600

約数和(自身を除く): 44768600

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 125, 136, 139, 170, 187, 200, 220, 250, 275, 278, 340, 374, 425, 440, 500, 550, 556, 680, 695, 748, 850, 935, 1000, 1100, 1112, 1375, 1390, 1496, 1529, 1700, 1870, 2125, 2200, 2363, 2750, 2780, 3058, 3400, 3475, 3740, 4250, 4675, 4726, 5500, 5560, 6116, 6950, 7480, 7645, 8500, 9350, 9452, 11000, 11815, 12232, 13900, 15290, 17000, 17375, 18700, 18904, 23375, 23630, 25993, 27800, 30580, 34750, 37400, 38225, 46750, 47260, 51986, 59075, 61160, 69500, 76450, 93500, 94520, 103972, 118150, 129965, 139000, 152900, 187000, 191125, 207944, 236300, 259930, 295375, 305800, 382250, 472600, 519860, 590750, 649825, 764500, 1039720, 1181500, 1299650, 1529000, 2363000, 2599300, 3249125, 5198600, 6498250, 12996500, 25993000]

約数ペア:

[(1, 25993000), (2, 12996500), (4, 6498250), (5, 5198600), (8, 3249125), (10, 2599300), (11, 2363000), (17, 1529000), (20, 1299650), (22, 1181500), (25, 1039720), (34, 764500), (40, 649825), (44, 590750), (50, 519860), (55, 472600), (68, 382250), (85, 305800), (88, 295375), (100, 259930), (110, 236300), (125, 207944), (136, 191125), (139, 187000), (170, 152900), (187, 139000), (200, 129965), (220, 118150), (250, 103972), (275, 94520), (278, 93500), (340, 76450), (374, 69500), (425, 61160), (440, 59075), (500, 51986), (550, 47260), (556, 46750), (680, 38225), (695, 37400), (748, 34750), (850, 30580), (935, 27800), (1000, 25993), (1100, 23630), (1112, 23375), (1375, 18904), (1390, 18700), (1496, 17375), (1529, 17000), (1700, 15290), (1870, 13900), (2125, 12232), (2200, 11815), (2363, 11000), (2750, 9452), (2780, 9350), (3058, 8500), (3400, 7645), (3475, 7480), (3740, 6950), (4250, 6116), (4675, 5560), (4726, 5500)]