80867395

素因数分解:

$5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 115171200

約数和(自身を除く): 34303805

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 343, 427, 773, 1715, 2135, 2989, 3865, 5411, 14945, 20923, 27055, 37877, 47153, 104615, 189385, 235765, 265139, 330071, 1325695, 1650355, 2310497, 11552485, 16173479, 80867395]

約数ペア:

[(1, 80867395), (5, 16173479), (7, 11552485), (35, 2310497), (49, 1650355), (61, 1325695), (245, 330071), (305, 265139), (343, 235765), (427, 189385), (773, 104615), (1715, 47153), (2135, 37877), (2989, 27055), (3865, 20923), (5411, 14945)]