49971440

素因数分解:

$2^4\times 5^1\times {\mathrm{624643}}^1$

素因数の和:624656

約数の個数: 20

約数和(自身を含む): 116183784

約数和(自身を除く): 66212344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 624643, 1249286, 2498572, 3123215, 4997144, 6246430, 9994288, 12492860, 24985720, 49971440]

約数ペア:

[(1, 49971440), (2, 24985720), (4, 12492860), (5, 9994288), (8, 6246430), (10, 4997144), (16, 3123215), (20, 2498572), (40, 1249286), (80, 624643)]