20235559600

素因数分解:

$2^4\times 5^2\times {\mathrm{2857}}^1\times {\mathrm{17707}}^1$

素因数の和:20582

約数の個数: 60

約数和(自身を含む): 48635694904

約数和(自身を除く): 28400135304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2857, 5714, 11428, 14285, 17707, 22856, 28570, 35414, 45712, 57140, 70828, 71425, 88535, 114280, 141656, 142850, 177070, 228560, 283312, 285700, 354140, 442675, 571400, 708280, 885350, 1142800, 1416560, 1770700, 3541400, 7082800, 50588899, 101177798, 202355596, 252944495, 404711192, 505888990, 809422384, 1011777980, 1264722475, 2023555960, 2529444950, 4047111920, 5058889900, 10117779800, 20235559600]

約数ペア:

[(1, 20235559600), (2, 10117779800), (4, 5058889900), (5, 4047111920), (8, 2529444950), (10, 2023555960), (16, 1264722475), (20, 1011777980), (25, 809422384), (40, 505888990), (50, 404711192), (80, 252944495), (100, 202355596), (200, 101177798), (400, 50588899), (2857, 7082800), (5714, 3541400), (11428, 1770700), (14285, 1416560), (17707, 1142800), (22856, 885350), (28570, 708280), (35414, 571400), (45712, 442675), (57140, 354140), (70828, 285700), (71425, 283312), (88535, 228560), (114280, 177070), (141656, 142850)]