2641839560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{475151}}^1$

素因数の和:475301

約数の個数: 32

約数和(自身を含む): 5986915200

約数和(自身を除く): 3345075640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 475151, 950302, 1900604, 2375755, 3801208, 4751510, 9503020, 19006040, 66045989, 132091978, 264183956, 330229945, 528367912, 660459890, 1320919780, 2641839560]

約数ペア:

[(1, 2641839560), (2, 1320919780), (4, 660459890), (5, 528367912), (8, 330229945), (10, 264183956), (20, 132091978), (40, 66045989), (139, 19006040), (278, 9503020), (556, 4751510), (695, 3801208), (1112, 2375755), (1390, 1900604), (2780, 950302), (5560, 475151)]