105256880

素因数分解:

$2^4\times 5^1\times {\mathrm{1315711}}^1$

素因数の和:1315724

約数の個数: 20

約数和(自身を含む): 244722432

約数和(自身を除く): 139465552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1315711, 2631422, 5262844, 6578555, 10525688, 13157110, 21051376, 26314220, 52628440, 105256880]

約数ペア:

[(1, 105256880), (2, 52628440), (4, 26314220), (5, 21051376), (8, 13157110), (10, 10525688), (16, 6578555), (20, 5262844), (40, 2631422), (80, 1315711)]