80905552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 194626432

約数和(自身を除く): 113720880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 181, 182, 208, 307, 362, 364, 614, 724, 728, 1228, 1267, 1448, 1456, 2149, 2353, 2456, 2534, 2896, 3991, 4298, 4706, 4912, 5068, 7982, 8596, 9412, 10136, 15964, 16471, 17192, 18824, 20272, 27937, 31928, 32942, 34384, 37648, 55567, 55874, 63856, 65884, 111134, 111748, 131768, 222268, 223496, 263536, 388969, 444536, 446992, 722371, 777938, 889072, 1444742, 1555876, 2889484, 3111752, 5056597, 5778968, 6223504, 10113194, 11557936, 20226388, 40452776, 80905552]

約数ペア:

[(1, 80905552), (2, 40452776), (4, 20226388), (7, 11557936), (8, 10113194), (13, 6223504), (14, 5778968), (16, 5056597), (26, 3111752), (28, 2889484), (52, 1555876), (56, 1444742), (91, 889072), (104, 777938), (112, 722371), (181, 446992), (182, 444536), (208, 388969), (307, 263536), (362, 223496), (364, 222268), (614, 131768), (724, 111748), (728, 111134), (1228, 65884), (1267, 63856), (1448, 55874), (1456, 55567), (2149, 37648), (2353, 34384), (2456, 32942), (2534, 31928), (2896, 27937), (3991, 20272), (4298, 18824), (4706, 17192), (4912, 16471), (5068, 15964), (7982, 10136), (8596, 9412)]