83381360

素因数分解:

$2^4\times 5^1\times {\mathrm{1042267}}^1$

素因数の和:1042280

約数の個数: 20

約数和(自身を含む): 193861848

約数和(自身を除く): 110480488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1042267, 2084534, 4169068, 5211335, 8338136, 10422670, 16676272, 20845340, 41690680, 83381360]

約数ペア:

[(1, 83381360), (2, 41690680), (4, 20845340), (5, 16676272), (8, 10422670), (10, 8338136), (16, 5211335), (20, 4169068), (40, 2084534), (80, 1042267)]