49983280

素因数分解:

$2^4\times 5^1\times {\mathrm{624791}}^1$

素因数の和:624804

約数の個数: 20

約数和(自身を含む): 116211312

約数和(自身を除く): 66228032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 624791, 1249582, 2499164, 3123955, 4998328, 6247910, 9996656, 12495820, 24991640, 49983280]

約数ペア:

[(1, 49983280), (2, 24991640), (4, 12495820), (5, 9996656), (8, 6247910), (10, 4998328), (16, 3123955), (20, 2499164), (40, 1249582), (80, 624791)]