137736640

素因数分解:

$2^6\times 5^1\times {\mathrm{430427}}^1$

素因数の和:430444

約数の個数: 28

約数和(自身を含む): 327986136

約数和(自身を除く): 190249496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 430427, 860854, 1721708, 2152135, 3443416, 4304270, 6886832, 8608540, 13773664, 17217080, 27547328, 34434160, 68868320, 137736640]

約数ペア:

[(1, 137736640), (2, 68868320), (4, 34434160), (5, 27547328), (8, 17217080), (10, 13773664), (16, 8608540), (20, 6886832), (32, 4304270), (40, 3443416), (64, 2152135), (80, 1721708), (160, 860854), (320, 430427)]