2581327.00000000

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{20327}}^1$

素因数の和:20640

約数の個数: 16

約数和(自身を含む): 93915360

約数和(自身を除く): 43992248

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 20327, 40654, 81308, 162616, 6240389, 12480778, 24961556, 49923112]

約数ペア:

[(1, 49923112), (2, 24961556), (4, 12480778), (8, 6240389), (307, 162616), (614, 81308), (1228, 40654), (2456, 20327)]