16336640

素因数分解:

$2^8\times 5^1\times {\mathrm{12763}}^1$

素因数の和:12784

約数の個数: 36

約数和(自身を含む): 39134424

約数和(自身を除く): 22797784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12763, 25526, 51052, 63815, 102104, 127630, 204208, 255260, 408416, 510520, 816832, 1021040, 1633664, 2042080, 3267328, 4084160, 8168320, 16336640]

約数ペア:

[(1, 16336640), (2, 8168320), (4, 4084160), (5, 3267328), (8, 2042080), (10, 1633664), (16, 1021040), (20, 816832), (32, 510520), (40, 408416), (64, 255260), (80, 204208), (128, 127630), (160, 102104), (256, 63815), (320, 51052), (640, 25526), (1280, 12763)]