89954960

素因数分解:

$2^4\times 5^1\times {\mathrm{1124437}}^1$

素因数の和:1124450

約数の個数: 20

約数和(自身を含む): 209145468

約数和(自身を除く): 119190508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124437, 2248874, 4497748, 5622185, 8995496, 11244370, 17990992, 22488740, 44977480, 89954960]

約数ペア:

[(1, 89954960), (2, 44977480), (4, 22488740), (5, 17990992), (8, 11244370), (10, 8995496), (16, 5622185), (20, 4497748), (40, 2248874), (80, 1124437)]