162880

素因数分解:

$2^6\times 5^1\times {\mathrm{509}}^1$

素因数の和:526

約数の個数: 28

約数和(自身を含む): 388620

約数和(自身を除く): 225740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 16288, 20360, 32576, 40720, 81440, 162880]

約数ペア:

[(1, 162880), (2, 81440), (4, 40720), (5, 32576), (8, 20360), (10, 16288), (16, 10180), (20, 8144), (32, 5090), (40, 4072), (64, 2545), (80, 2036), (160, 1018), (320, 509)]