8320240

素因数分解:

$2^4\times 5^1\times {\mathrm{104003}}^1$

素因数の和:104016

約数の個数: 20

約数和(自身を含む): 19344744

約数和(自身を除く): 11024504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104003, 208006, 416012, 520015, 832024, 1040030, 1664048, 2080060, 4160120, 8320240]

約数ペア:

[(1, 8320240), (2, 4160120), (4, 2080060), (5, 1664048), (8, 1040030), (10, 832024), (16, 520015), (20, 416012), (40, 208006), (80, 104003)]