208060040

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{16943}}^1$

素因数の和:17261

約数の個数: 32

約数和(自身を含む): 469687680

約数和(自身を除く): 261627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 16943, 33886, 67772, 84715, 135544, 169430, 338860, 677720, 5201501, 10403002, 20806004, 26007505, 41612008, 52015010, 104030020, 208060040]

約数ペア:

[(1, 208060040), (2, 104030020), (4, 52015010), (5, 41612008), (8, 26007505), (10, 20806004), (20, 10403002), (40, 5201501), (307, 677720), (614, 338860), (1228, 169430), (1535, 135544), (2456, 84715), (3070, 67772), (6140, 33886), (12280, 16943)]