5408440

素因数分解:

$2^3\times 5^1\times {\mathrm{135211}}^1$

素因数の和:135222

約数の個数: 16

約数和(自身を含む): 12169080

約数和(自身を除く): 6760640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 135211, 270422, 540844, 676055, 1081688, 1352110, 2704220, 5408440]

約数ペア:

[(1, 5408440), (2, 2704220), (4, 1352110), (5, 1081688), (8, 676055), (10, 540844), (20, 270422), (40, 135211)]