13984280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8527}}^1$

素因数の和:8579

約数の個数: 32

約数和(自身を含む): 32235840

約数和(自身を除く): 18251560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8527, 17054, 34108, 42635, 68216, 85270, 170540, 341080, 349607, 699214, 1398428, 1748035, 2796856, 3496070, 6992140, 13984280]

約数ペア:

[(1, 13984280), (2, 6992140), (4, 3496070), (5, 2796856), (8, 1748035), (10, 1398428), (20, 699214), (40, 349607), (41, 341080), (82, 170540), (164, 85270), (205, 68216), (328, 42635), (410, 34108), (820, 17054), (1640, 8527)]