12856640

素因数分解:

$2^6\times 5^1\times {\mathrm{40177}}^1$

素因数の和:40194

約数の個数: 28

約数和(自身を含む): 30615636

約数和(自身を除く): 17758996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40177, 80354, 160708, 200885, 321416, 401770, 642832, 803540, 1285664, 1607080, 2571328, 3214160, 6428320, 12856640]

約数ペア:

[(1, 12856640), (2, 6428320), (4, 3214160), (5, 2571328), (8, 1607080), (10, 1285664), (16, 803540), (20, 642832), (32, 401770), (40, 321416), (64, 200885), (80, 160708), (160, 80354), (320, 40177)]