28339520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 112

約数和(自身を含む): 75273408

約数和(自身を除く): 46933888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 97, 110, 160, 166, 176, 194, 220, 320, 332, 352, 388, 415, 440, 485, 664, 704, 776, 830, 880, 913, 970, 1067, 1328, 1552, 1660, 1760, 1826, 1940, 2134, 2656, 3104, 3320, 3520, 3652, 3880, 4268, 4565, 5312, 5335, 6208, 6640, 7304, 7760, 8051, 8536, 9130, 10670, 13280, 14608, 15520, 16102, 17072, 18260, 21340, 26560, 29216, 31040, 32204, 34144, 36520, 40255, 42680, 58432, 64408, 68288, 73040, 80510, 85360, 88561, 128816, 146080, 161020, 170720, 177122, 257632, 292160, 322040, 341440, 354244, 442805, 515264, 644080, 708488, 885610, 1288160, 1416976, 1771220, 2576320, 2833952, 3542440, 5667904, 7084880, 14169760, 28339520]

約数ペア:

[(1, 28339520), (2, 14169760), (4, 7084880), (5, 5667904), (8, 3542440), (10, 2833952), (11, 2576320), (16, 1771220), (20, 1416976), (22, 1288160), (32, 885610), (40, 708488), (44, 644080), (55, 515264), (64, 442805), (80, 354244), (83, 341440), (88, 322040), (97, 292160), (110, 257632), (160, 177122), (166, 170720), (176, 161020), (194, 146080), (220, 128816), (320, 88561), (332, 85360), (352, 80510), (388, 73040), (415, 68288), (440, 64408), (485, 58432), (664, 42680), (704, 40255), (776, 36520), (830, 34144), (880, 32204), (913, 31040), (970, 29216), (1067, 26560), (1328, 21340), (1552, 18260), (1660, 17072), (1760, 16102), (1826, 15520), (1940, 14608), (2134, 13280), (2656, 10670), (3104, 9130), (3320, 8536), (3520, 8051), (3652, 7760), (3880, 7304), (4268, 6640), (4565, 6208), (5312, 5335)]