20132800

素因数分解:

$2^6\times 5^2\times {\mathrm{12583}}^1$

素因数の和:12605

約数の個数: 42

約数和(自身を含む): 49543208

約数和(自身を除く): 29410408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12583, 25166, 50332, 62915, 100664, 125830, 201328, 251660, 314575, 402656, 503320, 629150, 805312, 1006640, 1258300, 2013280, 2516600, 4026560, 5033200, 10066400, 20132800]

約数ペア:

[(1, 20132800), (2, 10066400), (4, 5033200), (5, 4026560), (8, 2516600), (10, 2013280), (16, 1258300), (20, 1006640), (25, 805312), (32, 629150), (40, 503320), (50, 402656), (64, 314575), (80, 251660), (100, 201328), (160, 125830), (200, 100664), (320, 62915), (400, 50332), (800, 25166), (1600, 12583)]