5371990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 11010384

約数和(自身を除く): 5638394

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 130, 155, 215, 310, 403, 430, 559, 806, 961, 1118, 1333, 1922, 2015, 2666, 2795, 4030, 4805, 5590, 6665, 9610, 12493, 13330, 17329, 24986, 34658, 41323, 62465, 82646, 86645, 124930, 173290, 206615, 413230, 537199, 1074398, 2685995, 5371990]

約数ペア:

[(1, 5371990), (2, 2685995), (5, 1074398), (10, 537199), (13, 413230), (26, 206615), (31, 173290), (43, 124930), (62, 86645), (65, 82646), (86, 62465), (130, 41323), (155, 34658), (215, 24986), (310, 17329), (403, 13330), (430, 12493), (559, 9610), (806, 6665), (961, 5590), (1118, 4805), (1333, 4030), (1922, 2795), (2015, 2666)]