21676000

素因数分解:

$2^5\times 5^3\times {\mathrm{5419}}^1$

素因数の和:5444

約数の個数: 48

約数和(自身を含む): 53267760

約数和(自身を除く): 31591760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 5419, 10838, 21676, 27095, 43352, 54190, 86704, 108380, 135475, 173408, 216760, 270950, 433520, 541900, 677375, 867040, 1083800, 1354750, 2167600, 2709500, 4335200, 5419000, 10838000, 21676000]

約数ペア:

[(1, 21676000), (2, 10838000), (4, 5419000), (5, 4335200), (8, 2709500), (10, 2167600), (16, 1354750), (20, 1083800), (25, 867040), (32, 677375), (40, 541900), (50, 433520), (80, 270950), (100, 216760), (125, 173408), (160, 135475), (200, 108380), (250, 86704), (400, 54190), (500, 43352), (800, 27095), (1000, 21676), (2000, 10838), (4000, 5419)]