13428640

素因数分解:

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

素因数の和:4969

約数の個数: 48

約数和(自身を含む): 33598152

約数和(自身を除く): 20169512

約数列:

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

約数ペア:

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