50480000

素因数分解:

$2^7\times 5^4\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 80

約数和(自身を含む): 125865960

約数和(自身を除く): 75385960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 631, 640, 800, 1000, 1250, 1262, 1600, 2000, 2500, 2524, 3155, 3200, 4000, 5000, 5048, 6310, 8000, 10000, 10096, 12620, 15775, 16000, 20000, 20192, 25240, 31550, 40000, 40384, 50480, 63100, 78875, 80000, 80768, 100960, 126200, 157750, 201920, 252400, 315500, 394375, 403840, 504800, 631000, 788750, 1009600, 1262000, 1577500, 2019200, 2524000, 3155000, 5048000, 6310000, 10096000, 12620000, 25240000, 50480000]

約数ペア:

[(1, 50480000), (2, 25240000), (4, 12620000), (5, 10096000), (8, 6310000), (10, 5048000), (16, 3155000), (20, 2524000), (25, 2019200), (32, 1577500), (40, 1262000), (50, 1009600), (64, 788750), (80, 631000), (100, 504800), (125, 403840), (128, 394375), (160, 315500), (200, 252400), (250, 201920), (320, 157750), (400, 126200), (500, 100960), (625, 80768), (631, 80000), (640, 78875), (800, 63100), (1000, 50480), (1250, 40384), (1262, 40000), (1600, 31550), (2000, 25240), (2500, 20192), (2524, 20000), (3155, 16000), (3200, 15775), (4000, 12620), (5000, 10096), (5048, 10000), (6310, 8000)]