81141280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46103}}^1$

素因数の和:46129

約数の個数: 48

約数和(自身を含む): 209127744

約数和(自身を除く): 127986464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 46103, 92206, 184412, 230515, 368824, 461030, 507133, 737648, 922060, 1014266, 1475296, 1844120, 2028532, 2535665, 3688240, 4057064, 5071330, 7376480, 8114128, 10142660, 16228256, 20285320, 40570640, 81141280]

約数ペア:

[(1, 81141280), (2, 40570640), (4, 20285320), (5, 16228256), (8, 10142660), (10, 8114128), (11, 7376480), (16, 5071330), (20, 4057064), (22, 3688240), (32, 2535665), (40, 2028532), (44, 1844120), (55, 1475296), (80, 1014266), (88, 922060), (110, 737648), (160, 507133), (176, 461030), (220, 368824), (352, 230515), (440, 184412), (880, 92206), (1760, 46103)]