80208984

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 205770240

約数和(自身を除く): 125561256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 103, 142, 206, 213, 284, 309, 412, 426, 457, 568, 618, 824, 852, 914, 1236, 1371, 1704, 1828, 2472, 2742, 3656, 5484, 7313, 10968, 14626, 21939, 29252, 32447, 43878, 47071, 58504, 64894, 87756, 94142, 97341, 129788, 141213, 175512, 188284, 194682, 259576, 282426, 376568, 389364, 564852, 778728, 1129704, 3342041, 6684082, 10026123, 13368164, 20052246, 26736328, 40104492, 80208984]

約数ペア:

[(1, 80208984), (2, 40104492), (3, 26736328), (4, 20052246), (6, 13368164), (8, 10026123), (12, 6684082), (24, 3342041), (71, 1129704), (103, 778728), (142, 564852), (206, 389364), (213, 376568), (284, 282426), (309, 259576), (412, 194682), (426, 188284), (457, 175512), (568, 141213), (618, 129788), (824, 97341), (852, 94142), (914, 87756), (1236, 64894), (1371, 58504), (1704, 47071), (1828, 43878), (2472, 32447), (2742, 29252), (3656, 21939), (5484, 14626), (7313, 10968)]