28640470

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{5881}}^1$

素因数の和:6375

約数の個数: 16

約数和(自身を含む): 51667488

約数和(自身を除く): 23027018

約数列:

[1, 2, 5, 10, 487, 974, 2435, 4870, 5881, 11762, 29405, 58810, 2864047, 5728094, 14320235, 28640470]

約数ペア:

[(1, 28640470), (2, 14320235), (5, 5728094), (10, 2864047), (487, 58810), (974, 29405), (2435, 11762), (4870, 5881)]