15243440

素因数分解:

$2^4\times 5^1\times {\mathrm{190543}}^1$

素因数の和:190556

約数の個数: 20

約数和(自身を含む): 35441184

約数和(自身を除く): 20197744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190543, 381086, 762172, 952715, 1524344, 1905430, 3048688, 3810860, 7621720, 15243440]

約数ペア:

[(1, 15243440), (2, 7621720), (4, 3810860), (5, 3048688), (8, 1905430), (10, 1524344), (16, 952715), (20, 762172), (40, 381086), (80, 190543)]