12478000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 32033664

約数和(自身を除く): 19555664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 367, 400, 425, 500, 680, 734, 850, 1000, 1360, 1468, 1700, 1835, 2000, 2125, 2936, 3400, 3670, 4250, 5872, 6239, 6800, 7340, 8500, 9175, 12478, 14680, 17000, 18350, 24956, 29360, 31195, 34000, 36700, 45875, 49912, 62390, 73400, 91750, 99824, 124780, 146800, 155975, 183500, 249560, 311950, 367000, 499120, 623900, 734000, 779875, 1247800, 1559750, 2495600, 3119500, 6239000, 12478000]

約数ペア:

[(1, 12478000), (2, 6239000), (4, 3119500), (5, 2495600), (8, 1559750), (10, 1247800), (16, 779875), (17, 734000), (20, 623900), (25, 499120), (34, 367000), (40, 311950), (50, 249560), (68, 183500), (80, 155975), (85, 146800), (100, 124780), (125, 99824), (136, 91750), (170, 73400), (200, 62390), (250, 49912), (272, 45875), (340, 36700), (367, 34000), (400, 31195), (425, 29360), (500, 24956), (680, 18350), (734, 17000), (850, 14680), (1000, 12478), (1360, 9175), (1468, 8500), (1700, 7340), (1835, 6800), (2000, 6239), (2125, 5872), (2936, 4250), (3400, 3670)]