2019923200

素因数分解:

$2^8\times 5^2\times {\mathrm{315613}}^1$

素因数の和:315639

約数の個数: 54

約数和(自身を含む): 4999641374

約数和(自身を除く): 2979718174

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 315613, 631226, 1262452, 1578065, 2524904, 3156130, 5049808, 6312260, 7890325, 10099616, 12624520, 15780650, 20199232, 25249040, 31561300, 40398464, 50498080, 63122600, 80796928, 100996160, 126245200, 201992320, 252490400, 403984640, 504980800, 1009961600, 2019923200]

約数ペア:

[(1, 2019923200), (2, 1009961600), (4, 504980800), (5, 403984640), (8, 252490400), (10, 201992320), (16, 126245200), (20, 100996160), (25, 80796928), (32, 63122600), (40, 50498080), (50, 40398464), (64, 31561300), (80, 25249040), (100, 20199232), (128, 15780650), (160, 12624520), (200, 10099616), (256, 7890325), (320, 6312260), (400, 5049808), (640, 3156130), (800, 2524904), (1280, 1578065), (1600, 1262452), (3200, 631226), (6400, 315613)]