80827705

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{3203}}^1$

素因数の和:3325

約数の個数: 24

約数和(自身を含む): 113959872

約数和(自身を除く): 33132167

約数列:

[1, 5, 7, 35, 49, 103, 245, 515, 721, 3203, 3605, 5047, 16015, 22421, 25235, 112105, 156947, 329909, 784735, 1649545, 2309363, 11546815, 16165541, 80827705]

約数ペア:

[(1, 80827705), (5, 16165541), (7, 11546815), (35, 2309363), (49, 1649545), (103, 784735), (245, 329909), (515, 156947), (721, 112105), (3203, 25235), (3605, 22421), (5047, 16015)]