82806440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90007}}^1$

素因数の和:90041

約数の個数: 32

約数和(自身を含む): 194417280

約数和(自身を除く): 111610840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 90007, 180014, 360028, 450035, 720056, 900070, 1800140, 2070161, 3600280, 4140322, 8280644, 10350805, 16561288, 20701610, 41403220, 82806440]

約数ペア:

[(1, 82806440), (2, 41403220), (4, 20701610), (5, 16561288), (8, 10350805), (10, 8280644), (20, 4140322), (23, 3600280), (40, 2070161), (46, 1800140), (92, 900070), (115, 720056), (184, 450035), (230, 360028), (460, 180014), (920, 90007)]