131092240

素因数分解:

$2^4\times 5^1\times {\mathrm{1638653}}^1$

素因数の和:1638666

約数の個数: 20

約数和(自身を含む): 304789644

約数和(自身を除く): 173697404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1638653, 3277306, 6554612, 8193265, 13109224, 16386530, 26218448, 32773060, 65546120, 131092240]

約数ペア:

[(1, 131092240), (2, 65546120), (4, 32773060), (5, 26218448), (8, 16386530), (10, 13109224), (16, 8193265), (20, 6554612), (40, 3277306), (80, 1638653)]