12805820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22079}}^1$

素因数の和:22117

約数の個数: 24

約数和(自身を含む): 27820800

約数和(自身を除く): 15014980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 22079, 44158, 88316, 110395, 220790, 441580, 640291, 1280582, 2561164, 3201455, 6402910, 12805820]

約数ペア:

[(1, 12805820), (2, 6402910), (4, 3201455), (5, 2561164), (10, 1280582), (20, 640291), (29, 441580), (58, 220790), (116, 110395), (145, 88316), (290, 44158), (580, 22079)]