49808720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1092

約数の個数: 80

約数和(自身を含む): 127491840

約数和(自身を除く): 77683120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1019, 1040, 1222, 1880, 2038, 2444, 3055, 3760, 4076, 4888, 5095, 6110, 8152, 9776, 10190, 12220, 13247, 16304, 20380, 24440, 26494, 40760, 47893, 48880, 52988, 66235, 81520, 95786, 105976, 132470, 191572, 211952, 239465, 264940, 383144, 478930, 529880, 622609, 766288, 957860, 1059760, 1245218, 1915720, 2490436, 3113045, 3831440, 4980872, 6226090, 9961744, 12452180, 24904360, 49808720]

約数ペア:

[(1, 49808720), (2, 24904360), (4, 12452180), (5, 9961744), (8, 6226090), (10, 4980872), (13, 3831440), (16, 3113045), (20, 2490436), (26, 1915720), (40, 1245218), (47, 1059760), (52, 957860), (65, 766288), (80, 622609), (94, 529880), (104, 478930), (130, 383144), (188, 264940), (208, 239465), (235, 211952), (260, 191572), (376, 132470), (470, 105976), (520, 95786), (611, 81520), (752, 66235), (940, 52988), (1019, 48880), (1040, 47893), (1222, 40760), (1880, 26494), (2038, 24440), (2444, 20380), (3055, 16304), (3760, 13247), (4076, 12220), (4888, 10190), (5095, 9776), (6110, 8152)]