80870335

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{25391}}^1$

素因数の和:25423

約数の個数: 24

約数和(自身を含む): 121576896

約数和(自身を除く): 40706561

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 25391, 126955, 177737, 330083, 888685, 1244159, 1650415, 2310581, 6220795, 11552905, 16174067, 80870335]

約数ペア:

[(1, 80870335), (5, 16174067), (7, 11552905), (13, 6220795), (35, 2310581), (49, 1650415), (65, 1244159), (91, 888685), (245, 330083), (455, 177737), (637, 126955), (3185, 25391)]