40781312

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 95900112

約数和(自身を除く): 55118800

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 286, 352, 416, 512, 557, 572, 704, 832, 1114, 1144, 1408, 1664, 2228, 2288, 2816, 3328, 4456, 4576, 5632, 6127, 6656, 7241, 8912, 9152, 12254, 14482, 17824, 18304, 24508, 28964, 35648, 36608, 49016, 57928, 71296, 73216, 79651, 98032, 115856, 142592, 159302, 196064, 231712, 285184, 318604, 392128, 463424, 637208, 784256, 926848, 1274416, 1568512, 1853696, 2548832, 3137024, 3707392, 5097664, 10195328, 20390656, 40781312]

約数ペア:

[(1, 40781312), (2, 20390656), (4, 10195328), (8, 5097664), (11, 3707392), (13, 3137024), (16, 2548832), (22, 1853696), (26, 1568512), (32, 1274416), (44, 926848), (52, 784256), (64, 637208), (88, 463424), (104, 392128), (128, 318604), (143, 285184), (176, 231712), (208, 196064), (256, 159302), (286, 142592), (352, 115856), (416, 98032), (512, 79651), (557, 73216), (572, 71296), (704, 57928), (832, 49016), (1114, 36608), (1144, 35648), (1408, 28964), (1664, 24508), (2228, 18304), (2288, 17824), (2816, 14482), (3328, 12254), (4456, 9152), (4576, 8912), (5632, 7241), (6127, 6656)]