40438528

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 90140400

約数和(自身を除く): 49701872

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 377, 416, 419, 464, 754, 832, 838, 928, 1508, 1664, 1676, 1856, 3016, 3328, 3352, 3712, 5447, 6032, 6704, 7424, 10894, 12064, 12151, 13408, 21788, 24128, 24302, 26816, 43576, 48256, 48604, 53632, 87152, 96512, 97208, 107264, 157963, 174304, 194416, 315926, 348608, 388832, 631852, 697216, 777664, 1263704, 1394432, 1555328, 2527408, 3110656, 5054816, 10109632, 20219264, 40438528]

約数ペア:

[(1, 40438528), (2, 20219264), (4, 10109632), (8, 5054816), (13, 3110656), (16, 2527408), (26, 1555328), (29, 1394432), (32, 1263704), (52, 777664), (58, 697216), (64, 631852), (104, 388832), (116, 348608), (128, 315926), (208, 194416), (232, 174304), (256, 157963), (377, 107264), (416, 97208), (419, 96512), (464, 87152), (754, 53632), (832, 48604), (838, 48256), (928, 43576), (1508, 26816), (1664, 24302), (1676, 24128), (1856, 21788), (3016, 13408), (3328, 12151), (3352, 12064), (3712, 10894), (5447, 7424), (6032, 6704)]