13285280

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 32133024

約数和(自身を除く): 18847744

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, 1931, 3440, 3862, 6880, 7724, 9655, 15448, 19310, 30896, 38620, 61792, 77240, 83033, 154480, 166066, 308960, 332132, 415165, 664264, 830330, 1328528, 1660660, 2657056, 3321320, 6642640, 13285280]

約数ペア:

[(1, 13285280), (2, 6642640), (4, 3321320), (5, 2657056), (8, 1660660), (10, 1328528), (16, 830330), (20, 664264), (32, 415165), (40, 332132), (43, 308960), (80, 166066), (86, 154480), (160, 83033), (172, 77240), (215, 61792), (344, 38620), (430, 30896), (688, 19310), (860, 15448), (1376, 9655), (1720, 7724), (1931, 6880), (3440, 3862)]