15509320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20407}}^1$

素因数の和:20437

約数の個数: 32

約数和(自身を含む): 36734400

約数和(自身を除く): 21225080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20407, 40814, 81628, 102035, 163256, 204070, 387733, 408140, 775466, 816280, 1550932, 1938665, 3101864, 3877330, 7754660, 15509320]

約数ペア:

[(1, 15509320), (2, 7754660), (4, 3877330), (5, 3101864), (8, 1938665), (10, 1550932), (19, 816280), (20, 775466), (38, 408140), (40, 387733), (76, 204070), (95, 163256), (152, 102035), (190, 81628), (380, 40814), (760, 20407)]