2001710080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{390959}}^1$

素因数の和:390984

約数の個数: 44

約数和(自身を含む): 4801770720

約数和(自身を除く): 2800060640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 390959, 781918, 1563836, 1954795, 3127672, 3909590, 6255344, 7819180, 12510688, 15638360, 25021376, 31276720, 50042752, 62553440, 100085504, 125106880, 200171008, 250213760, 400342016, 500427520, 1000855040, 2001710080]

約数ペア:

[(1, 2001710080), (2, 1000855040), (4, 500427520), (5, 400342016), (8, 250213760), (10, 200171008), (16, 125106880), (20, 100085504), (32, 62553440), (40, 50042752), (64, 31276720), (80, 25021376), (128, 15638360), (160, 12510688), (256, 7819180), (320, 6255344), (512, 3909590), (640, 3127672), (1024, 1954795), (1280, 1563836), (2560, 781918), (5120, 390959)]