12724400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2478

約数の個数: 60

約数和(自身を含む): 32935392

約数和(自身を除く): 20210992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2447, 2600, 4894, 5200, 9788, 12235, 19576, 24470, 31811, 39152, 48940, 61175, 63622, 97880, 122350, 127244, 159055, 195760, 244700, 254488, 318110, 489400, 508976, 636220, 795275, 978800, 1272440, 1590550, 2544880, 3181100, 6362200, 12724400]

約数ペア:

[(1, 12724400), (2, 6362200), (4, 3181100), (5, 2544880), (8, 1590550), (10, 1272440), (13, 978800), (16, 795275), (20, 636220), (25, 508976), (26, 489400), (40, 318110), (50, 254488), (52, 244700), (65, 195760), (80, 159055), (100, 127244), (104, 122350), (130, 97880), (200, 63622), (208, 61175), (260, 48940), (325, 39152), (400, 31811), (520, 24470), (650, 19576), (1040, 12235), (1300, 9788), (2447, 5200), (2600, 4894)]