26931440

素因数分解:

$2^4\times 5^1\times {\mathrm{336643}}^1$

素因数の和:336656

約数の個数: 20

約数和(自身を含む): 62615784

約数和(自身を除く): 35684344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 336643, 673286, 1346572, 1683215, 2693144, 3366430, 5386288, 6732860, 13465720, 26931440]

約数ペア:

[(1, 26931440), (2, 13465720), (4, 6732860), (5, 5386288), (8, 3366430), (10, 2693144), (16, 1683215), (20, 1346572), (40, 673286), (80, 336643)]