825401620

素因数分解:

$2^2\times 5^1\times {\mathrm{41270081}}^1$

素因数の和:41270090

約数の個数: 12

約数和(自身を含む): 1733343444

約数和(自身を除く): 907941824

約数列:

[1, 2, 4, 5, 10, 20, 41270081, 82540162, 165080324, 206350405, 412700810, 825401620]

約数ペア:

[(1, 825401620), (2, 412700810), (4, 206350405), (5, 165080324), (10, 82540162), (20, 41270081)]