40587215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{653}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 50478336

約数和(自身を除く): 9891121

約数列:

[1, 5, 31, 155, 401, 653, 2005, 3265, 12431, 20243, 62155, 101215, 261853, 1309265, 8117443, 40587215]

約数ペア:

[(1, 40587215), (5, 8117443), (31, 1309265), (155, 261853), (401, 101215), (653, 62155), (2005, 20243), (3265, 12431)]