2178800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 5650680

約数和(自身を除く): 3471880

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, 419, 520, 650, 838, 1040, 1300, 1676, 2095, 2600, 3352, 4190, 5200, 5447, 6704, 8380, 10475, 10894, 16760, 20950, 21788, 27235, 33520, 41900, 43576, 54470, 83800, 87152, 108940, 136175, 167600, 217880, 272350, 435760, 544700, 1089400, 2178800]

約数ペア:

[(1, 2178800), (2, 1089400), (4, 544700), (5, 435760), (8, 272350), (10, 217880), (13, 167600), (16, 136175), (20, 108940), (25, 87152), (26, 83800), (40, 54470), (50, 43576), (52, 41900), (65, 33520), (80, 27235), (100, 21788), (104, 20950), (130, 16760), (200, 10894), (208, 10475), (260, 8380), (325, 6704), (400, 5447), (419, 5200), (520, 4190), (650, 3352), (838, 2600), (1040, 2095), (1300, 1676)]