4048640

素因数分解:

$2^8\times 5^1\times {\mathrm{3163}}^1$

素因数の和:3184

約数の個数: 36

約数和(自身を含む): 9700824

約数和(自身を除く): 5652184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3163, 6326, 12652, 15815, 25304, 31630, 50608, 63260, 101216, 126520, 202432, 253040, 404864, 506080, 809728, 1012160, 2024320, 4048640]

約数ペア:

[(1, 4048640), (2, 2024320), (4, 1012160), (5, 809728), (8, 506080), (10, 404864), (16, 253040), (20, 202432), (32, 126520), (40, 101216), (64, 63260), (80, 50608), (128, 31630), (160, 25304), (256, 15815), (320, 12652), (640, 6326), (1280, 3163)]