10821880

素因数分解:

$2^3\times 5^1\times {\mathrm{270547}}^1$

素因数の和:270558

約数の個数: 16

約数和(自身を含む): 24349320

約数和(自身を除く): 13527440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 270547, 541094, 1082188, 1352735, 2164376, 2705470, 5410940, 10821880]

約数ペア:

[(1, 10821880), (2, 5410940), (4, 2705470), (5, 2164376), (8, 1352735), (10, 1082188), (20, 541094), (40, 270547)]