84429680

素因数分解:

$2^4\times 5^1\times {\mathrm{1055371}}^1$

素因数の和:1055384

約数の個数: 20

約数和(自身を含む): 196299192

約数和(自身を除く): 111869512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1055371, 2110742, 4221484, 5276855, 8442968, 10553710, 16885936, 21107420, 42214840, 84429680]

約数ペア:

[(1, 84429680), (2, 42214840), (4, 21107420), (5, 16885936), (8, 10553710), (10, 8442968), (16, 5276855), (20, 4221484), (40, 2110742), (80, 1055371)]