28507240

素因数分解:

$2^3\times 5^1\times {\mathrm{712681}}^1$

素因数の和:712692

約数の個数: 16

約数和(自身を含む): 64141380

約数和(自身を除く): 35634140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 712681, 1425362, 2850724, 3563405, 5701448, 7126810, 14253620, 28507240]

約数ペア:

[(1, 28507240), (2, 14253620), (4, 7126810), (5, 5701448), (8, 3563405), (10, 2850724), (20, 1425362), (40, 712681)]