82211440

素因数分解:

$2^4\times 5^1\times {\mathrm{1027643}}^1$

素因数の和:1027656

約数の個数: 20

約数和(自身を含む): 191141784

約数和(自身を除く): 108930344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1027643, 2055286, 4110572, 5138215, 8221144, 10276430, 16442288, 20552860, 41105720, 82211440]

約数ペア:

[(1, 82211440), (2, 41105720), (4, 20552860), (5, 16442288), (8, 10276430), (10, 8221144), (16, 5138215), (20, 4110572), (40, 2055286), (80, 1027643)]