281920

素因数分解:

$2^6\times 5^1\times {\mathrm{881}}^1$

素因数の和:898

約数の個数: 28

約数和(自身を含む): 672084

約数和(自身を除く): 390164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 881, 1762, 3524, 4405, 7048, 8810, 14096, 17620, 28192, 35240, 56384, 70480, 140960, 281920]

約数ペア:

[(1, 281920), (2, 140960), (4, 70480), (5, 56384), (8, 35240), (10, 28192), (16, 17620), (20, 14096), (32, 8810), (40, 7048), (64, 4405), (80, 3524), (160, 1762), (320, 881)]