1326506740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{5309}}^1$

素因数の和:5393

約数の個数: 72

約数和(自身を含む): 3100424040

約数和(自身を除く): 1773917300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3844, 4030, 4805, 5309, 8060, 9610, 10618, 12493, 19220, 21236, 24986, 26545, 49972, 53090, 62465, 69017, 106180, 124930, 138034, 164579, 249860, 276068, 329158, 345085, 658316, 690170, 822895, 1380340, 1645790, 2139527, 3291580, 4279054, 5101949, 8558108, 10203898, 10697635, 20407796, 21395270, 25509745, 42790540, 51019490, 66325337, 102038980, 132650674, 265301348, 331626685, 663253370, 1326506740]

約数ペア:

[(1, 1326506740), (2, 663253370), (4, 331626685), (5, 265301348), (10, 132650674), (13, 102038980), (20, 66325337), (26, 51019490), (31, 42790540), (52, 25509745), (62, 21395270), (65, 20407796), (124, 10697635), (130, 10203898), (155, 8558108), (260, 5101949), (310, 4279054), (403, 3291580), (620, 2139527), (806, 1645790), (961, 1380340), (1612, 822895), (1922, 690170), (2015, 658316), (3844, 345085), (4030, 329158), (4805, 276068), (5309, 249860), (8060, 164579), (9610, 138034), (10618, 124930), (12493, 106180), (19220, 69017), (21236, 62465), (24986, 53090), (26545, 49972)]