80191856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 96582544

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 59, 68, 76, 118, 136, 152, 236, 263, 272, 304, 323, 472, 526, 646, 944, 1003, 1052, 1121, 1292, 2006, 2104, 2242, 2584, 4012, 4208, 4471, 4484, 4997, 5168, 8024, 8942, 8968, 9994, 15517, 16048, 17884, 17936, 19057, 19988, 31034, 35768, 38114, 39976, 62068, 71536, 76228, 79952, 84949, 124136, 152456, 169898, 248272, 263789, 294823, 304912, 339796, 527578, 589646, 679592, 1055156, 1179292, 1359184, 2110312, 2358584, 4220624, 4717168, 5011991, 10023982, 20047964, 40095928, 80191856]

約数ペア:

[(1, 80191856), (2, 40095928), (4, 20047964), (8, 10023982), (16, 5011991), (17, 4717168), (19, 4220624), (34, 2358584), (38, 2110312), (59, 1359184), (68, 1179292), (76, 1055156), (118, 679592), (136, 589646), (152, 527578), (236, 339796), (263, 304912), (272, 294823), (304, 263789), (323, 248272), (472, 169898), (526, 152456), (646, 124136), (944, 84949), (1003, 79952), (1052, 76228), (1121, 71536), (1292, 62068), (2006, 39976), (2104, 38114), (2242, 35768), (2584, 31034), (4012, 19988), (4208, 19057), (4471, 17936), (4484, 17884), (4997, 16048), (5168, 15517), (8024, 9994), (8942, 8968)]