80780728

素因数分解:

$2^3\times 7^1\times {\mathrm{1442513}}^1$

素因数の和:1442526

約数の個数: 16

約数和(自身を含む): 173101680

約数和(自身を除く): 92320952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1442513, 2885026, 5770052, 10097591, 11540104, 20195182, 40390364, 80780728]

約数ペア:

[(1, 80780728), (2, 40390364), (4, 20195182), (7, 11540104), (8, 10097591), (14, 5770052), (28, 2885026), (56, 1442513)]