13299040

素因数分解:

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

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 32166288

約数和(自身を除く): 18867248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1933, 3440, 3866, 6880, 7732, 9665, 15464, 19330, 30928, 38660, 61856, 77320, 83119, 154640, 166238, 309280, 332476, 415595, 664952, 831190, 1329904, 1662380, 2659808, 3324760, 6649520, 13299040]

約数ペア:

[(1, 13299040), (2, 6649520), (4, 3324760), (5, 2659808), (8, 1662380), (10, 1329904), (16, 831190), (20, 664952), (32, 415595), (40, 332476), (43, 309280), (80, 166238), (86, 154640), (160, 83119), (172, 77320), (215, 61856), (344, 38660), (430, 30928), (688, 19330), (860, 15464), (1376, 9665), (1720, 7732), (1933, 6880), (3440, 3866)]