12985760

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 30894696

約数和(自身を除く): 17908936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 293, 554, 586, 1108, 1172, 1385, 1465, 2216, 2344, 2770, 2930, 4432, 4688, 5540, 5860, 8864, 9376, 11080, 11720, 22160, 23440, 44320, 46880, 81161, 162322, 324644, 405805, 649288, 811610, 1298576, 1623220, 2597152, 3246440, 6492880, 12985760]

約数ペア:

[(1, 12985760), (2, 6492880), (4, 3246440), (5, 2597152), (8, 1623220), (10, 1298576), (16, 811610), (20, 649288), (32, 405805), (40, 324644), (80, 162322), (160, 81161), (277, 46880), (293, 44320), (554, 23440), (586, 22160), (1108, 11720), (1172, 11080), (1385, 9376), (1465, 8864), (2216, 5860), (2344, 5540), (2770, 4688), (2930, 4432)]