13206880

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 31434480

約数和(自身を除く): 18227600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 419, 788, 838, 985, 1576, 1676, 1970, 2095, 3152, 3352, 3940, 4190, 6304, 6704, 7880, 8380, 13408, 15760, 16760, 31520, 33520, 67040, 82543, 165086, 330172, 412715, 660344, 825430, 1320688, 1650860, 2641376, 3301720, 6603440, 13206880]

約数ペア:

[(1, 13206880), (2, 6603440), (4, 3301720), (5, 2641376), (8, 1650860), (10, 1320688), (16, 825430), (20, 660344), (32, 412715), (40, 330172), (80, 165086), (160, 82543), (197, 67040), (394, 33520), (419, 31520), (788, 16760), (838, 15760), (985, 13408), (1576, 8380), (1676, 7880), (1970, 6704), (2095, 6304), (3152, 4190), (3352, 3940)]