12040840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43003}}^1$

素因数の和:43021

約数の個数: 32

約数和(自身を含む): 30962880

約数和(自身を除く): 18922040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43003, 86006, 172012, 215015, 301021, 344024, 430030, 602042, 860060, 1204084, 1505105, 1720120, 2408168, 3010210, 6020420, 12040840]

約数ペア:

[(1, 12040840), (2, 6020420), (4, 3010210), (5, 2408168), (7, 1720120), (8, 1505105), (10, 1204084), (14, 860060), (20, 602042), (28, 430030), (35, 344024), (40, 301021), (56, 215015), (70, 172012), (140, 86006), (280, 43003)]