39980624

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{108643}}^1$

素因数の和:108674

約数の個数: 20

約数和(自身を含む): 80831136

約数和(自身を除く): 40850512

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 108643, 217286, 434572, 869144, 1738288, 2498789, 4997578, 9995156, 19990312, 39980624]

約数ペア:

[(1, 39980624), (2, 19990312), (4, 9995156), (8, 4997578), (16, 2498789), (23, 1738288), (46, 869144), (92, 434572), (184, 217286), (368, 108643)]