80491888

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{17903}}^1$

素因数の和:18192

約数の個数: 20

約数和(自身を含む): 156516768

約数和(自身を除く): 76024880

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 17903, 35806, 71612, 143224, 286448, 5030743, 10061486, 20122972, 40245944, 80491888]

約数ペア:

[(1, 80491888), (2, 40245944), (4, 20122972), (8, 10061486), (16, 5030743), (281, 286448), (562, 143224), (1124, 71612), (2248, 35806), (4496, 17903)]