50295440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 127210608

約数和(自身を除く): 76915168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 353, 520, 548, 685, 706, 1040, 1096, 1370, 1412, 1765, 1781, 2192, 2740, 2824, 3530, 3562, 4589, 5480, 5648, 7060, 7124, 8905, 9178, 10960, 14120, 14248, 17810, 18356, 22945, 28240, 28496, 35620, 36712, 45890, 48361, 71240, 73424, 91780, 96722, 142480, 183560, 193444, 241805, 367120, 386888, 483610, 628693, 773776, 967220, 1257386, 1934440, 2514772, 3143465, 3868880, 5029544, 6286930, 10059088, 12573860, 25147720, 50295440]

約数ペア:

[(1, 50295440), (2, 25147720), (4, 12573860), (5, 10059088), (8, 6286930), (10, 5029544), (13, 3868880), (16, 3143465), (20, 2514772), (26, 1934440), (40, 1257386), (52, 967220), (65, 773776), (80, 628693), (104, 483610), (130, 386888), (137, 367120), (208, 241805), (260, 193444), (274, 183560), (353, 142480), (520, 96722), (548, 91780), (685, 73424), (706, 71240), (1040, 48361), (1096, 45890), (1370, 36712), (1412, 35620), (1765, 28496), (1781, 28240), (2192, 22945), (2740, 18356), (2824, 17810), (3530, 14248), (3562, 14120), (4589, 10960), (5480, 9178), (5648, 8905), (7060, 7124)]