51935390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 102772800

約数和(自身を除く): 50837410

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 338, 389, 395, 778, 790, 845, 1027, 1690, 1945, 2054, 3890, 5057, 5135, 10114, 10270, 13351, 25285, 26702, 30731, 50570, 61462, 65741, 66755, 131482, 133510, 153655, 307310, 328705, 399503, 657410, 799006, 1997515, 3995030, 5193539, 10387078, 25967695, 51935390]

約数ペア:

[(1, 51935390), (2, 25967695), (5, 10387078), (10, 5193539), (13, 3995030), (26, 1997515), (65, 799006), (79, 657410), (130, 399503), (158, 328705), (169, 307310), (338, 153655), (389, 133510), (395, 131482), (778, 66755), (790, 65741), (845, 61462), (1027, 50570), (1690, 30731), (1945, 26702), (2054, 25285), (3890, 13351), (5057, 10270), (5135, 10114)]