6667420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 14732928

約数和(自身を除く): 8065508

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 173, 188, 205, 235, 346, 410, 470, 692, 820, 865, 940, 1730, 1927, 3460, 3854, 7093, 7708, 8131, 9635, 14186, 16262, 19270, 28372, 32524, 35465, 38540, 40655, 70930, 81310, 141860, 162620, 333371, 666742, 1333484, 1666855, 3333710, 6667420]

約数ペア:

[(1, 6667420), (2, 3333710), (4, 1666855), (5, 1333484), (10, 666742), (20, 333371), (41, 162620), (47, 141860), (82, 81310), (94, 70930), (164, 40655), (173, 38540), (188, 35465), (205, 32524), (235, 28372), (346, 19270), (410, 16262), (470, 14186), (692, 9635), (820, 8131), (865, 7708), (940, 7093), (1730, 3854), (1927, 3460)]