20192000

素因数分解:

$2^8\times 5^3\times {\mathrm{631}}^1$

素因数の和:662

約数の個数: 72

約数和(自身を含む): 50380512

約数和(自身を除く): 30188512

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, 631, 640, 800, 1000, 1262, 1280, 1600, 2000, 2524, 3155, 3200, 4000, 5048, 6310, 6400, 8000, 10096, 12620, 15775, 16000, 20192, 25240, 31550, 32000, 40384, 50480, 63100, 78875, 80768, 100960, 126200, 157750, 161536, 201920, 252400, 315500, 403840, 504800, 631000, 807680, 1009600, 1262000, 2019200, 2524000, 4038400, 5048000, 10096000, 20192000]

約数ペア:

[(1, 20192000), (2, 10096000), (4, 5048000), (5, 4038400), (8, 2524000), (10, 2019200), (16, 1262000), (20, 1009600), (25, 807680), (32, 631000), (40, 504800), (50, 403840), (64, 315500), (80, 252400), (100, 201920), (125, 161536), (128, 157750), (160, 126200), (200, 100960), (250, 80768), (256, 78875), (320, 63100), (400, 50480), (500, 40384), (631, 32000), (640, 31550), (800, 25240), (1000, 20192), (1262, 16000), (1280, 15775), (1600, 12620), (2000, 10096), (2524, 8000), (3155, 6400), (3200, 6310), (4000, 5048)]