2865894040

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{202967}}^1$

素因数の和:203331

約数の個数: 32

約数和(自身を含む): 6466560480

約数和(自身を除く): 3600666440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 202967, 405934, 811868, 1014835, 1623736, 2029670, 4059340, 8118680, 71647351, 143294702, 286589404, 358236755, 573178808, 716473510, 1432947020, 2865894040]

約数ペア:

[(1, 2865894040), (2, 1432947020), (4, 716473510), (5, 573178808), (8, 358236755), (10, 286589404), (20, 143294702), (40, 71647351), (353, 8118680), (706, 4059340), (1412, 2029670), (1765, 1623736), (2824, 1014835), (3530, 811868), (7060, 405934), (14120, 202967)]