82540880

素因数分解:

$2^4\times 5^1\times {\mathrm{1031761}}^1$

素因数の和:1031774

約数の個数: 20

約数和(自身を含む): 191907732

約数和(自身を除く): 109366852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031761, 2063522, 4127044, 5158805, 8254088, 10317610, 16508176, 20635220, 41270440, 82540880]

約数ペア:

[(1, 82540880), (2, 41270440), (4, 20635220), (5, 16508176), (8, 10317610), (10, 8254088), (16, 5158805), (20, 4127044), (40, 2063522), (80, 1031761)]