27805040

素因数分解:

$2^4\times 5^1\times {\mathrm{347563}}^1$

素因数の和:347576

約数の個数: 20

約数和(自身を含む): 64646904

約数和(自身を除く): 36841864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347563, 695126, 1390252, 1737815, 2780504, 3475630, 5561008, 6951260, 13902520, 27805040]

約数ペア:

[(1, 27805040), (2, 13902520), (4, 6951260), (5, 5561008), (8, 3475630), (10, 2780504), (16, 1737815), (20, 1390252), (40, 695126), (80, 347563)]