81683200

素因数分解:

$2^8\times 5^2\times {\mathrm{12763}}^1$

素因数の和:12789

約数の個数: 54

約数和(自身を含む): 202194524

約数和(自身を除く): 120511324

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, 12763, 25526, 51052, 63815, 102104, 127630, 204208, 255260, 319075, 408416, 510520, 638150, 816832, 1021040, 1276300, 1633664, 2042080, 2552600, 3267328, 4084160, 5105200, 8168320, 10210400, 16336640, 20420800, 40841600, 81683200]

約数ペア:

[(1, 81683200), (2, 40841600), (4, 20420800), (5, 16336640), (8, 10210400), (10, 8168320), (16, 5105200), (20, 4084160), (25, 3267328), (32, 2552600), (40, 2042080), (50, 1633664), (64, 1276300), (80, 1021040), (100, 816832), (128, 638150), (160, 510520), (200, 408416), (256, 319075), (320, 255260), (400, 204208), (640, 127630), (800, 102104), (1280, 63815), (1600, 51052), (3200, 25526), (6400, 12763)]