713709680

素因数分解:

$2^4\times 5^1\times {\mathrm{8921371}}^1$

素因数の和:8921384

約数の個数: 20

約数和(自身を含む): 1659375192

約数和(自身を除く): 945665512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8921371, 17842742, 35685484, 44606855, 71370968, 89213710, 142741936, 178427420, 356854840, 713709680]

約数ペア:

[(1, 713709680), (2, 356854840), (4, 178427420), (5, 142741936), (8, 89213710), (10, 71370968), (16, 44606855), (20, 35685484), (40, 17842742), (80, 8921371)]