8987120

素因数分解:

$2^4\times 5^1\times {\mathrm{112339}}^1$

素因数の和:112352

約数の個数: 20

約数和(自身を含む): 20895240

約数和(自身を除く): 11908120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112339, 224678, 449356, 561695, 898712, 1123390, 1797424, 2246780, 4493560, 8987120]

約数ペア:

[(1, 8987120), (2, 4493560), (4, 2246780), (5, 1797424), (8, 1123390), (10, 898712), (16, 561695), (20, 449356), (40, 224678), (80, 112339)]