81459500

素因数分解:

$2^2\times 5^3\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 179026848

約数和(自身を除く): 97567348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 394, 500, 788, 827, 985, 1654, 1970, 3308, 3940, 4135, 4925, 8270, 9850, 16540, 19700, 20675, 24625, 41350, 49250, 82700, 98500, 103375, 162919, 206750, 325838, 413500, 651676, 814595, 1629190, 3258380, 4072975, 8145950, 16291900, 20364875, 40729750, 81459500]

約数ペア:

[(1, 81459500), (2, 40729750), (4, 20364875), (5, 16291900), (10, 8145950), (20, 4072975), (25, 3258380), (50, 1629190), (100, 814595), (125, 651676), (197, 413500), (250, 325838), (394, 206750), (500, 162919), (788, 103375), (827, 98500), (985, 82700), (1654, 49250), (1970, 41350), (3308, 24625), (3940, 20675), (4135, 19700), (4925, 16540), (8270, 9850)]