49709080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 115655040

約数和(自身を除く): 65945960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 193, 235, 274, 376, 386, 470, 548, 685, 772, 940, 965, 1096, 1370, 1544, 1880, 1930, 2740, 3860, 5480, 6439, 7720, 9071, 12878, 18142, 25756, 26441, 32195, 36284, 45355, 51512, 52882, 64390, 72568, 90710, 105764, 128780, 132205, 181420, 211528, 257560, 264410, 362840, 528820, 1057640, 1242727, 2485454, 4970908, 6213635, 9941816, 12427270, 24854540, 49709080]

約数ペア:

[(1, 49709080), (2, 24854540), (4, 12427270), (5, 9941816), (8, 6213635), (10, 4970908), (20, 2485454), (40, 1242727), (47, 1057640), (94, 528820), (137, 362840), (188, 264410), (193, 257560), (235, 211528), (274, 181420), (376, 132205), (386, 128780), (470, 105764), (548, 90710), (685, 72568), (772, 64390), (940, 52882), (965, 51512), (1096, 45355), (1370, 36284), (1544, 32195), (1880, 26441), (1930, 25756), (2740, 18142), (3860, 12878), (5480, 9071), (6439, 7720)]