21788000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 36000640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 400, 416, 419, 500, 520, 650, 800, 838, 1000, 1040, 1300, 1625, 1676, 2000, 2080, 2095, 2600, 3250, 3352, 4000, 4190, 5200, 5447, 6500, 6704, 8380, 10400, 10475, 10894, 13000, 13408, 16760, 20950, 21788, 26000, 27235, 33520, 41900, 43576, 52000, 52375, 54470, 67040, 83800, 87152, 104750, 108940, 136175, 167600, 174304, 209500, 217880, 272350, 335200, 419000, 435760, 544700, 680875, 838000, 871520, 1089400, 1361750, 1676000, 2178800, 2723500, 4357600, 5447000, 10894000, 21788000]

約数ペア:

[(1, 21788000), (2, 10894000), (4, 5447000), (5, 4357600), (8, 2723500), (10, 2178800), (13, 1676000), (16, 1361750), (20, 1089400), (25, 871520), (26, 838000), (32, 680875), (40, 544700), (50, 435760), (52, 419000), (65, 335200), (80, 272350), (100, 217880), (104, 209500), (125, 174304), (130, 167600), (160, 136175), (200, 108940), (208, 104750), (250, 87152), (260, 83800), (325, 67040), (400, 54470), (416, 52375), (419, 52000), (500, 43576), (520, 41900), (650, 33520), (800, 27235), (838, 26000), (1000, 21788), (1040, 20950), (1300, 16760), (1625, 13408), (1676, 13000), (2000, 10894), (2080, 10475), (2095, 10400), (2600, 8380), (3250, 6704), (3352, 6500), (4000, 5447), (4190, 5200)]