8168320

素因数分解:

$2^7\times 5^1\times {\mathrm{12763}}^1$

素因数の和:12782

約数の個数: 32

約数和(自身を含む): 19528920

約数和(自身を除く): 11360600

約数列:

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

約数ペア:

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