2012257720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{41957}}^1$

素因数の和:42088

約数の個数: 64

約数和(自身を含む): 4984610400

約数和(自身を除く): 2972352680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4360, 4796, 5995, 9592, 11990, 23980, 41957, 47960, 83914, 167828, 209785, 335656, 419570, 461527, 839140, 923054, 1678280, 1846108, 2307635, 3692216, 4573313, 4615270, 9146626, 9230540, 18293252, 18461080, 22866565, 36586504, 45733130, 50306443, 91466260, 100612886, 182932520, 201225772, 251532215, 402451544, 503064430, 1006128860, 2012257720]

約数ペア:

[(1, 2012257720), (2, 1006128860), (4, 503064430), (5, 402451544), (8, 251532215), (10, 201225772), (11, 182932520), (20, 100612886), (22, 91466260), (40, 50306443), (44, 45733130), (55, 36586504), (88, 22866565), (109, 18461080), (110, 18293252), (218, 9230540), (220, 9146626), (436, 4615270), (440, 4573313), (545, 3692216), (872, 2307635), (1090, 1846108), (1199, 1678280), (2180, 923054), (2398, 839140), (4360, 461527), (4796, 419570), (5995, 335656), (9592, 209785), (11990, 167828), (23980, 83914), (41957, 47960)]