55083860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 128509920

約数和(自身を除く): 73426060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 379, 430, 559, 676, 758, 845, 860, 1118, 1516, 1690, 1895, 2236, 2795, 3380, 3790, 4927, 5590, 7267, 7580, 9854, 11180, 14534, 16297, 19708, 24635, 29068, 32594, 36335, 49270, 64051, 65188, 72670, 81485, 98540, 128102, 145340, 162970, 211861, 256204, 320255, 325940, 423722, 640510, 847444, 1059305, 1281020, 2118610, 2754193, 4237220, 5508386, 11016772, 13770965, 27541930, 55083860]

約数ペア:

[(1, 55083860), (2, 27541930), (4, 13770965), (5, 11016772), (10, 5508386), (13, 4237220), (20, 2754193), (26, 2118610), (43, 1281020), (52, 1059305), (65, 847444), (86, 640510), (130, 423722), (169, 325940), (172, 320255), (215, 256204), (260, 211861), (338, 162970), (379, 145340), (430, 128102), (559, 98540), (676, 81485), (758, 72670), (845, 65188), (860, 64051), (1118, 49270), (1516, 36335), (1690, 32594), (1895, 29068), (2236, 24635), (2795, 19708), (3380, 16297), (3790, 14534), (4927, 11180), (5590, 9854), (7267, 7580)]