82496000

素因数分解:

$2^9\times 5^3\times {\mathrm{1289}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 205868520

約数和(自身を除く): 123372520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1280, 1289, 1600, 2000, 2560, 2578, 3200, 4000, 5156, 6400, 6445, 8000, 10312, 12800, 12890, 16000, 20624, 25780, 32000, 32225, 41248, 51560, 64000, 64450, 82496, 103120, 128900, 161125, 164992, 206240, 257800, 322250, 329984, 412480, 515600, 644500, 659968, 824960, 1031200, 1289000, 1649920, 2062400, 2578000, 3299840, 4124800, 5156000, 8249600, 10312000, 16499200, 20624000, 41248000, 82496000]

約数ペア:

[(1, 82496000), (2, 41248000), (4, 20624000), (5, 16499200), (8, 10312000), (10, 8249600), (16, 5156000), (20, 4124800), (25, 3299840), (32, 2578000), (40, 2062400), (50, 1649920), (64, 1289000), (80, 1031200), (100, 824960), (125, 659968), (128, 644500), (160, 515600), (200, 412480), (250, 329984), (256, 322250), (320, 257800), (400, 206240), (500, 164992), (512, 161125), (640, 128900), (800, 103120), (1000, 82496), (1280, 64450), (1289, 64000), (1600, 51560), (2000, 41248), (2560, 32225), (2578, 32000), (3200, 25780), (4000, 20624), (5156, 16000), (6400, 12890), (6445, 12800), (8000, 10312)]