28123840

素因数分解:

$2^6\times 5^1\times {\mathrm{87887}}^1$

素因数の和:87904

約数の個数: 28

約数和(自身を含む): 66970656

約数和(自身を除く): 38846816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 87887, 175774, 351548, 439435, 703096, 878870, 1406192, 1757740, 2812384, 3515480, 5624768, 7030960, 14061920, 28123840]

約数ペア:

[(1, 28123840), (2, 14061920), (4, 7030960), (5, 5624768), (8, 3515480), (10, 2812384), (16, 1757740), (20, 1406192), (32, 878870), (40, 703096), (64, 439435), (80, 351548), (160, 175774), (320, 87887)]