8916680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5437}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 20555640

約数和(自身を除く): 11638960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5437, 10874, 21748, 27185, 43496, 54370, 108740, 217480, 222917, 445834, 891668, 1114585, 1783336, 2229170, 4458340, 8916680]

約数ペア:

[(1, 8916680), (2, 4458340), (4, 2229170), (5, 1783336), (8, 1114585), (10, 891668), (20, 445834), (40, 222917), (41, 217480), (82, 108740), (164, 54370), (205, 43496), (328, 27185), (410, 21748), (820, 10874), (1640, 5437)]