87856640

素因数分解:

$2^9\times 5^1\times {\mathrm{34319}}^1$

素因数の和:34342

約数の個数: 40

約数和(自身を含む): 210656160

約数和(自身を除く): 122799520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 34319, 68638, 137276, 171595, 274552, 343190, 549104, 686380, 1098208, 1372760, 2196416, 2745520, 4392832, 5491040, 8785664, 10982080, 17571328, 21964160, 43928320, 87856640]

約数ペア:

[(1, 87856640), (2, 43928320), (4, 21964160), (5, 17571328), (8, 10982080), (10, 8785664), (16, 5491040), (20, 4392832), (32, 2745520), (40, 2196416), (64, 1372760), (80, 1098208), (128, 686380), (160, 549104), (256, 343190), (320, 274552), (512, 171595), (640, 137276), (1280, 68638), (2560, 34319)]