40980992

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 90744192

約数和(自身を除く): 49763200

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 131, 188, 208, 256, 262, 376, 416, 512, 524, 611, 752, 832, 1048, 1222, 1504, 1664, 1703, 2096, 2444, 3008, 3328, 3406, 4192, 4888, 6016, 6157, 6656, 6812, 8384, 9776, 12032, 12314, 13624, 16768, 19552, 24064, 24628, 27248, 33536, 39104, 49256, 54496, 67072, 78208, 80041, 98512, 108992, 156416, 160082, 197024, 217984, 312832, 320164, 394048, 435968, 640328, 788096, 871936, 1280656, 1576192, 2561312, 3152384, 5122624, 10245248, 20490496, 40980992]

約数ペア:

[(1, 40980992), (2, 20490496), (4, 10245248), (8, 5122624), (13, 3152384), (16, 2561312), (26, 1576192), (32, 1280656), (47, 871936), (52, 788096), (64, 640328), (94, 435968), (104, 394048), (128, 320164), (131, 312832), (188, 217984), (208, 197024), (256, 160082), (262, 156416), (376, 108992), (416, 98512), (512, 80041), (524, 78208), (611, 67072), (752, 54496), (832, 49256), (1048, 39104), (1222, 33536), (1504, 27248), (1664, 24628), (1703, 24064), (2096, 19552), (2444, 16768), (3008, 13624), (3328, 12314), (3406, 12032), (4192, 9776), (4888, 8384), (6016, 6812), (6157, 6656)]