16836388840

素因数分解:

$2^3\times 5^1\times {\mathrm{420909721}}^1$

素因数の和:420909732

約数の個数: 16

約数和(自身を含む): 37881874980

約数和(自身を除く): 21045486140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420909721, 841819442, 1683638884, 2104548605, 3367277768, 4209097210, 8418194420, 16836388840]

約数ペア:

[(1, 16836388840), (2, 8418194420), (4, 4209097210), (5, 3367277768), (8, 2104548605), (10, 1683638884), (20, 841819442), (40, 420909721)]