12788440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45673}}^1$

素因数の和:45691

約数の個数: 32

約数和(自身を含む): 32885280

約数和(自身を除く): 20096840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45673, 91346, 182692, 228365, 319711, 365384, 456730, 639422, 913460, 1278844, 1598555, 1826920, 2557688, 3197110, 6394220, 12788440]

約数ペア:

[(1, 12788440), (2, 6394220), (4, 3197110), (5, 2557688), (7, 1826920), (8, 1598555), (10, 1278844), (14, 913460), (20, 639422), (28, 456730), (35, 365384), (40, 319711), (56, 228365), (70, 182692), (140, 91346), (280, 45673)]