6649520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1933}}^1$

素因数の和:1989

約数の個数: 40

約数和(自身を含む): 15827856

約数和(自身を除く): 9178336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 1933, 3440, 3866, 7732, 9665, 15464, 19330, 30928, 38660, 77320, 83119, 154640, 166238, 332476, 415595, 664952, 831190, 1329904, 1662380, 3324760, 6649520]

約数ペア:

[(1, 6649520), (2, 3324760), (4, 1662380), (5, 1329904), (8, 831190), (10, 664952), (16, 415595), (20, 332476), (40, 166238), (43, 154640), (80, 83119), (86, 77320), (172, 38660), (215, 30928), (344, 19330), (430, 15464), (688, 9665), (860, 7732), (1720, 3866), (1933, 3440)]