12545420

素因数分解:

$2^2\times 5^1\times {\mathrm{627271}}^1$

素因数の和:627280

約数の個数: 12

約数和(自身を含む): 26345424

約数和(自身を除く): 13800004

約数列:

[1, 2, 4, 5, 10, 20, 627271, 1254542, 2509084, 3136355, 6272710, 12545420]

約数ペア:

[(1, 12545420), (2, 6272710), (4, 3136355), (5, 2509084), (10, 1254542), (20, 627271)]