28439480

素因数分解:

$2^3\times 5^1\times {\mathrm{710987}}^1$

素因数の和:710998

約数の個数: 16

約数和(自身を含む): 63988920

約数和(自身を除く): 35549440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710987, 1421974, 2843948, 3554935, 5687896, 7109870, 14219740, 28439480]

約数ペア:

[(1, 28439480), (2, 14219740), (4, 7109870), (5, 5687896), (8, 3554935), (10, 2843948), (20, 1421974), (40, 710987)]