26857280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4937}}^1$

素因数の和:4971

約数の個数: 56

約数和(自身を含む): 67729608

約数和(自身を除く): 40872328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 4937, 5440, 9874, 19748, 24685, 39496, 49370, 78992, 83929, 98740, 157984, 167858, 197480, 315968, 335716, 394960, 419645, 671432, 789920, 839290, 1342864, 1579840, 1678580, 2685728, 3357160, 5371456, 6714320, 13428640, 26857280]

約数ペア:

[(1, 26857280), (2, 13428640), (4, 6714320), (5, 5371456), (8, 3357160), (10, 2685728), (16, 1678580), (17, 1579840), (20, 1342864), (32, 839290), (34, 789920), (40, 671432), (64, 419645), (68, 394960), (80, 335716), (85, 315968), (136, 197480), (160, 167858), (170, 157984), (272, 98740), (320, 83929), (340, 78992), (544, 49370), (680, 39496), (1088, 24685), (1360, 19748), (2720, 9874), (4937, 5440)]