28121920

素因数分解:

$2^6\times 5^1\times {\mathrm{87881}}^1$

素因数の和:87898

約数の個数: 28

約数和(自身を含む): 66966084

約数和(自身を除く): 38844164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 87881, 175762, 351524, 439405, 703048, 878810, 1406096, 1757620, 2812192, 3515240, 5624384, 7030480, 14060960, 28121920]

約数ペア:

[(1, 28121920), (2, 14060960), (4, 7030480), (5, 5624384), (8, 3515240), (10, 2812192), (16, 1757620), (20, 1406096), (32, 878810), (40, 703048), (64, 439405), (80, 351524), (160, 175762), (320, 87881)]