89688280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1979}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 222393600

約数和(自身を除く): 132705320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 1979, 2060, 2266, 3958, 4120, 4532, 5665, 7916, 9064, 9895, 11330, 15832, 19790, 21769, 22660, 39580, 43538, 45320, 79160, 87076, 108845, 174152, 203837, 217690, 407674, 435380, 815348, 870760, 1019185, 1630696, 2038370, 2242207, 4076740, 4484414, 8153480, 8968828, 11211035, 17937656, 22422070, 44844140, 89688280]

約数ペア:

[(1, 89688280), (2, 44844140), (4, 22422070), (5, 17937656), (8, 11211035), (10, 8968828), (11, 8153480), (20, 4484414), (22, 4076740), (40, 2242207), (44, 2038370), (55, 1630696), (88, 1019185), (103, 870760), (110, 815348), (206, 435380), (220, 407674), (412, 217690), (440, 203837), (515, 174152), (824, 108845), (1030, 87076), (1133, 79160), (1979, 45320), (2060, 43538), (2266, 39580), (3958, 22660), (4120, 21769), (4532, 19790), (5665, 15832), (7916, 11330), (9064, 9895)]