40028288

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 85272000

約数和(自身を除く): 45243712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 151, 152, 218, 302, 304, 436, 604, 608, 872, 1208, 1216, 1744, 2071, 2416, 2432, 2869, 3488, 4142, 4832, 5738, 6976, 8284, 9664, 11476, 13952, 16459, 16568, 19328, 22952, 32918, 33136, 45904, 65836, 66272, 91808, 131672, 132544, 183616, 263344, 265088, 312721, 367232, 526688, 625442, 1053376, 1250884, 2106752, 2501768, 5003536, 10007072, 20014144, 40028288]

約数ペア:

[(1, 40028288), (2, 20014144), (4, 10007072), (8, 5003536), (16, 2501768), (19, 2106752), (32, 1250884), (38, 1053376), (64, 625442), (76, 526688), (109, 367232), (128, 312721), (151, 265088), (152, 263344), (218, 183616), (302, 132544), (304, 131672), (436, 91808), (604, 66272), (608, 65836), (872, 45904), (1208, 33136), (1216, 32918), (1744, 22952), (2071, 19328), (2416, 16568), (2432, 16459), (2869, 13952), (3488, 11476), (4142, 9664), (4832, 8284), (5738, 6976)]