52441220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 119832048

約数和(自身を除く): 67390828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 1997, 2020, 2626, 3994, 5252, 6565, 7988, 9985, 13130, 19970, 25961, 26260, 39940, 51922, 103844, 129805, 201697, 259610, 403394, 519220, 806788, 1008485, 2016970, 2622061, 4033940, 5244122, 10488244, 13110305, 26220610, 52441220]

約数ペア:

[(1, 52441220), (2, 26220610), (4, 13110305), (5, 10488244), (10, 5244122), (13, 4033940), (20, 2622061), (26, 2016970), (52, 1008485), (65, 806788), (101, 519220), (130, 403394), (202, 259610), (260, 201697), (404, 129805), (505, 103844), (1010, 51922), (1313, 39940), (1997, 26260), (2020, 25961), (2626, 19970), (3994, 13130), (5252, 9985), (6565, 7988)]