51408640

素因数分解:

$2^8\times 5^1\times {\mathrm{40163}}^1$

素因数の和:40184

約数の個数: 36

約数和(自身を含む): 123142824

約数和(自身を除く): 71734184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 40163, 80326, 160652, 200815, 321304, 401630, 642608, 803260, 1285216, 1606520, 2570432, 3213040, 5140864, 6426080, 10281728, 12852160, 25704320, 51408640]

約数ペア:

[(1, 51408640), (2, 25704320), (4, 12852160), (5, 10281728), (8, 6426080), (10, 5140864), (16, 3213040), (20, 2570432), (32, 1606520), (40, 1285216), (64, 803260), (80, 642608), (128, 401630), (160, 321304), (256, 200815), (320, 160652), (640, 80326), (1280, 40163)]