28248880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 73281024

約数和(自身を除く): 45032144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 683, 752, 880, 940, 1034, 1366, 1880, 2068, 2585, 2732, 3415, 3760, 4136, 5170, 5464, 6830, 7513, 8272, 10340, 10928, 13660, 15026, 20680, 27320, 30052, 32101, 37565, 41360, 54640, 60104, 64202, 75130, 120208, 128404, 150260, 160505, 256808, 300520, 321010, 353111, 513616, 601040, 642020, 706222, 1284040, 1412444, 1765555, 2568080, 2824888, 3531110, 5649776, 7062220, 14124440, 28248880]

約数ペア:

[(1, 28248880), (2, 14124440), (4, 7062220), (5, 5649776), (8, 3531110), (10, 2824888), (11, 2568080), (16, 1765555), (20, 1412444), (22, 1284040), (40, 706222), (44, 642020), (47, 601040), (55, 513616), (80, 353111), (88, 321010), (94, 300520), (110, 256808), (176, 160505), (188, 150260), (220, 128404), (235, 120208), (376, 75130), (440, 64202), (470, 60104), (517, 54640), (683, 41360), (752, 37565), (880, 32101), (940, 30052), (1034, 27320), (1366, 20680), (1880, 15026), (2068, 13660), (2585, 10928), (2732, 10340), (3415, 8272), (3760, 7513), (4136, 6830), (5170, 5464)]