672940720

素因数分解:

$2^4\times 5^1\times {\mathrm{8411759}}^1$

素因数の和:8411772

約数の個数: 20

約数和(自身を含む): 1564587360

約数和(自身を除く): 891646640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8411759, 16823518, 33647036, 42058795, 67294072, 84117590, 134588144, 168235180, 336470360, 672940720]

約数ペア:

[(1, 672940720), (2, 336470360), (4, 168235180), (5, 134588144), (8, 84117590), (10, 67294072), (16, 42058795), (20, 33647036), (40, 16823518), (80, 8411759)]