28688480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9437}}^1$

素因数の和:9471

約数の個数: 48

約数和(自身を含む): 71351280

約数和(自身を除く): 42662800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9437, 18874, 37748, 47185, 75496, 94370, 150992, 179303, 188740, 301984, 358606, 377480, 717212, 754960, 896515, 1434424, 1509920, 1793030, 2868848, 3586060, 5737696, 7172120, 14344240, 28688480]

約数ペア:

[(1, 28688480), (2, 14344240), (4, 7172120), (5, 5737696), (8, 3586060), (10, 2868848), (16, 1793030), (19, 1509920), (20, 1434424), (32, 896515), (38, 754960), (40, 717212), (76, 377480), (80, 358606), (95, 301984), (152, 188740), (160, 179303), (190, 150992), (304, 94370), (380, 75496), (608, 47185), (760, 37748), (1520, 18874), (3040, 9437)]