1320248840

素因数分解:

$2^3\times 5^1\times {\mathrm{33006221}}^1$

素因数の和:33006232

約数の個数: 16

約数和(自身を含む): 2970559980

約数和(自身を除く): 1650311140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 33006221, 66012442, 132024884, 165031105, 264049768, 330062210, 660124420, 1320248840]

約数ペア:

[(1, 1320248840), (2, 660124420), (4, 330062210), (5, 264049768), (8, 165031105), (10, 132024884), (20, 66012442), (40, 33006221)]