8680120

素因数分解:

$2^3\times 5^1\times {\mathrm{217003}}^1$

素因数の和:217014

約数の個数: 16

約数和(自身を含む): 19530360

約数和(自身を除く): 10850240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 217003, 434006, 868012, 1085015, 1736024, 2170030, 4340060, 8680120]

約数ペア:

[(1, 8680120), (2, 4340060), (4, 2170030), (5, 1736024), (8, 1085015), (10, 868012), (20, 434006), (40, 217003)]