3951280

素因数分解:

$2^4\times 5^1\times {\mathrm{49391}}^1$

素因数の和:49404

約数の個数: 20

約数和(自身を含む): 9186912

約数和(自身を除く): 5235632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49391, 98782, 197564, 246955, 395128, 493910, 790256, 987820, 1975640, 3951280]

約数ペア:

[(1, 3951280), (2, 1975640), (4, 987820), (5, 790256), (8, 493910), (10, 395128), (16, 246955), (20, 197564), (40, 98782), (80, 49391)]