81016160

素因数分解:

$2^5\times 5^1\times {\mathrm{506351}}^1$

素因数の和:506366

約数の個数: 24

約数和(自身を含む): 191401056

約数和(自身を除く): 110384896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 506351, 1012702, 2025404, 2531755, 4050808, 5063510, 8101616, 10127020, 16203232, 20254040, 40508080, 81016160]

約数ペア:

[(1, 81016160), (2, 40508080), (4, 20254040), (5, 16203232), (8, 10127020), (10, 8101616), (16, 5063510), (20, 4050808), (32, 2531755), (40, 2025404), (80, 1012702), (160, 506351)]