519138160

素因数分解:

$2^4\times 5^1\times {\mathrm{6489227}}^1$

素因数の和:6489240

約数の個数: 20

約数和(自身を含む): 1206996408

約数和(自身を除く): 687858248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6489227, 12978454, 25956908, 32446135, 51913816, 64892270, 103827632, 129784540, 259569080, 519138160]

約数ペア:

[(1, 519138160), (2, 259569080), (4, 129784540), (5, 103827632), (8, 64892270), (10, 51913816), (16, 32446135), (20, 25956908), (40, 12978454), (80, 6489227)]