134208640

素因数分解:

$2^7\times 5^1\times {\mathrm{209701}}^1$

素因数の和:209720

約数の個数: 32

約数和(自身を含む): 320844060

約数和(自身を除く): 186635420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 209701, 419402, 838804, 1048505, 1677608, 2097010, 3355216, 4194020, 6710432, 8388040, 13420864, 16776080, 26841728, 33552160, 67104320, 134208640]

約数ペア:

[(1, 134208640), (2, 67104320), (4, 33552160), (5, 26841728), (8, 16776080), (10, 13420864), (16, 8388040), (20, 6710432), (32, 4194020), (40, 3355216), (64, 2097010), (80, 1677608), (128, 1048505), (160, 838804), (320, 419402), (640, 209701)]