86531240

素因数分解:

$2^3\times 5^1\times {\mathrm{2163281}}^1$

素因数の和:2163292

約数の個数: 16

約数和(自身を含む): 194695380

約数和(自身を除く): 108164140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2163281, 4326562, 8653124, 10816405, 17306248, 21632810, 43265620, 86531240]

約数ペア:

[(1, 86531240), (2, 43265620), (4, 21632810), (5, 17306248), (8, 10816405), (10, 8653124), (20, 4326562), (40, 2163281)]