16018000

素因数分解:

$2^4\times 5^3\times {\mathrm{8009}}^1$

素因数の和:8032

約数の個数: 40

約数和(自身を含む): 38736360

約数和(自身を除く): 22718360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 8009, 16018, 32036, 40045, 64072, 80090, 128144, 160180, 200225, 320360, 400450, 640720, 800900, 1001125, 1601800, 2002250, 3203600, 4004500, 8009000, 16018000]

約数ペア:

[(1, 16018000), (2, 8009000), (4, 4004500), (5, 3203600), (8, 2002250), (10, 1601800), (16, 1001125), (20, 800900), (25, 640720), (40, 400450), (50, 320360), (80, 200225), (100, 160180), (125, 128144), (200, 80090), (250, 64072), (400, 40045), (500, 32036), (1000, 16018), (2000, 8009)]