206862080

素因数分解:

$2^8\times 5^1\times {\mathrm{161611}}^1$

素因数の和:161632

約数の個数: 36

約数和(自身を含む): 495502392

約数和(自身を除く): 288640312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 161611, 323222, 646444, 808055, 1292888, 1616110, 2585776, 3232220, 5171552, 6464440, 10343104, 12928880, 20686208, 25857760, 41372416, 51715520, 103431040, 206862080]

約数ペア:

[(1, 206862080), (2, 103431040), (4, 51715520), (5, 41372416), (8, 25857760), (10, 20686208), (16, 12928880), (20, 10343104), (32, 6464440), (40, 5171552), (64, 3232220), (80, 2585776), (128, 1616110), (160, 1292888), (256, 808055), (320, 646444), (640, 323222), (1280, 161611)]