66685000

素因数分解:

$2^3\times 5^4\times {\mathrm{13337}}^1$

素因数の和:13363

約数の個数: 40

約数和(自身を含む): 156254670

約数和(自身を除く): 89569670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13337, 26674, 53348, 66685, 106696, 133370, 266740, 333425, 533480, 666850, 1333700, 1667125, 2667400, 3334250, 6668500, 8335625, 13337000, 16671250, 33342500, 66685000]

約数ペア:

[(1, 66685000), (2, 33342500), (4, 16671250), (5, 13337000), (8, 8335625), (10, 6668500), (20, 3334250), (25, 2667400), (40, 1667125), (50, 1333700), (100, 666850), (125, 533480), (200, 333425), (250, 266740), (500, 133370), (625, 106696), (1000, 66685), (1250, 53348), (2500, 26674), (5000, 13337)]