20004800

素因数分解:

$2^6\times 5^2\times {\mathrm{12503}}^1$

素因数の和:12525

約数の個数: 42

約数和(自身を含む): 49228248

約数和(自身を除く): 29223448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12503, 25006, 50012, 62515, 100024, 125030, 200048, 250060, 312575, 400096, 500120, 625150, 800192, 1000240, 1250300, 2000480, 2500600, 4000960, 5001200, 10002400, 20004800]

約数ペア:

[(1, 20004800), (2, 10002400), (4, 5001200), (5, 4000960), (8, 2500600), (10, 2000480), (16, 1250300), (20, 1000240), (25, 800192), (32, 625150), (40, 500120), (50, 400096), (64, 312575), (80, 250060), (100, 200048), (160, 125030), (200, 100024), (320, 62515), (400, 50012), (800, 25006), (1600, 12503)]