13657480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3191}}^1$

素因数の和:3309

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 17368760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3191, 4280, 6382, 12764, 15955, 25528, 31910, 63820, 127640, 341437, 682874, 1365748, 1707185, 2731496, 3414370, 6828740, 13657480]

約数ペア:

[(1, 13657480), (2, 6828740), (4, 3414370), (5, 2731496), (8, 1707185), (10, 1365748), (20, 682874), (40, 341437), (107, 127640), (214, 63820), (428, 31910), (535, 25528), (856, 15955), (1070, 12764), (2140, 6382), (3191, 4280)]