22177280

素因数分解:

$2^9\times 5^1\times {\mathrm{8663}}^1$

素因数の和:8686

約数の個数: 40

約数和(自身を含む): 53179632

約数和(自身を除く): 31002352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 8663, 17326, 34652, 43315, 69304, 86630, 138608, 173260, 277216, 346520, 554432, 693040, 1108864, 1386080, 2217728, 2772160, 4435456, 5544320, 11088640, 22177280]

約数ペア:

[(1, 22177280), (2, 11088640), (4, 5544320), (5, 4435456), (8, 2772160), (10, 2217728), (16, 1386080), (20, 1108864), (32, 693040), (40, 554432), (64, 346520), (80, 277216), (128, 173260), (160, 138608), (256, 86630), (320, 69304), (512, 43315), (640, 34652), (1280, 17326), (2560, 8663)]