49637840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 133062912

約数和(自身を除く): 83425072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 647, 685, 959, 1096, 1294, 1370, 1918, 2192, 2588, 2740, 3235, 3836, 4529, 4795, 5176, 5480, 6470, 7672, 9058, 9590, 10352, 10960, 12940, 15344, 18116, 19180, 22645, 25880, 36232, 38360, 45290, 51760, 72464, 76720, 88639, 90580, 177278, 181160, 354556, 362320, 443195, 620473, 709112, 886390, 1240946, 1418224, 1772780, 2481892, 3102365, 3545560, 4963784, 6204730, 7091120, 9927568, 12409460, 24818920, 49637840]

約数ペア:

[(1, 49637840), (2, 24818920), (4, 12409460), (5, 9927568), (7, 7091120), (8, 6204730), (10, 4963784), (14, 3545560), (16, 3102365), (20, 2481892), (28, 1772780), (35, 1418224), (40, 1240946), (56, 886390), (70, 709112), (80, 620473), (112, 443195), (137, 362320), (140, 354556), (274, 181160), (280, 177278), (548, 90580), (560, 88639), (647, 76720), (685, 72464), (959, 51760), (1096, 45290), (1294, 38360), (1370, 36232), (1918, 25880), (2192, 22645), (2588, 19180), (2740, 18116), (3235, 15344), (3836, 12940), (4529, 10960), (4795, 10352), (5176, 9590), (5480, 9058), (6470, 7672)]