12500272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18169}}^1$

素因数の和:18220

約数の個数: 20

約数和(自身を含む): 24783880

約数和(自身を除く): 12283608

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18169, 36338, 72676, 145352, 290704, 781267, 1562534, 3125068, 6250136, 12500272]

約数ペア:

[(1, 12500272), (2, 6250136), (4, 3125068), (8, 1562534), (16, 781267), (43, 290704), (86, 145352), (172, 72676), (344, 36338), (688, 18169)]