13860520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{827}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 31298400

約数和(自身を除く): 17437880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 827, 838, 1654, 1676, 2095, 3308, 3352, 4135, 4190, 6616, 8270, 8380, 16540, 16760, 33080, 346513, 693026, 1386052, 1732565, 2772104, 3465130, 6930260, 13860520]

約数ペア:

[(1, 13860520), (2, 6930260), (4, 3465130), (5, 2772104), (8, 1732565), (10, 1386052), (20, 693026), (40, 346513), (419, 33080), (827, 16760), (838, 16540), (1654, 8380), (1676, 8270), (2095, 6616), (3308, 4190), (3352, 4135)]