87540680

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2311}}^1$

素因数の和:3269

約数の個数: 32

約数和(自身を含む): 197259840

約数和(自身を除く): 109719160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 2311, 3788, 4622, 4735, 7576, 9244, 9470, 11555, 18488, 18940, 23110, 37880, 46220, 92440, 2188517, 4377034, 8754068, 10942585, 17508136, 21885170, 43770340, 87540680]

約数ペア:

[(1, 87540680), (2, 43770340), (4, 21885170), (5, 17508136), (8, 10942585), (10, 8754068), (20, 4377034), (40, 2188517), (947, 92440), (1894, 46220), (2311, 37880), (3788, 23110), (4622, 18940), (4735, 18488), (7576, 11555), (9244, 9470)]