22645000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 60730560

約数和(自身を除く): 38085560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 647, 700, 875, 1000, 1250, 1294, 1400, 1750, 2500, 2588, 3235, 3500, 4375, 4529, 5000, 5176, 6470, 7000, 8750, 9058, 12940, 16175, 17500, 18116, 22645, 25880, 32350, 35000, 36232, 45290, 64700, 80875, 90580, 113225, 129400, 161750, 181160, 226450, 323500, 404375, 452900, 566125, 647000, 808750, 905800, 1132250, 1617500, 2264500, 2830625, 3235000, 4529000, 5661250, 11322500, 22645000]

約数ペア:

[(1, 22645000), (2, 11322500), (4, 5661250), (5, 4529000), (7, 3235000), (8, 2830625), (10, 2264500), (14, 1617500), (20, 1132250), (25, 905800), (28, 808750), (35, 647000), (40, 566125), (50, 452900), (56, 404375), (70, 323500), (100, 226450), (125, 181160), (140, 161750), (175, 129400), (200, 113225), (250, 90580), (280, 80875), (350, 64700), (500, 45290), (625, 36232), (647, 35000), (700, 32350), (875, 25880), (1000, 22645), (1250, 18116), (1294, 17500), (1400, 16175), (1750, 12940), (2500, 9058), (2588, 8750), (3235, 7000), (3500, 6470), (4375, 5176), (4529, 5000)]