51296840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{183203}}^1$

素因数の和:183221

約数の個数: 32

約数和(自身を含む): 131906880

約数和(自身を除く): 80610040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 183203, 366406, 732812, 916015, 1282421, 1465624, 1832030, 2564842, 3664060, 5129684, 6412105, 7328120, 10259368, 12824210, 25648420, 51296840]

約数ペア:

[(1, 51296840), (2, 25648420), (4, 12824210), (5, 10259368), (7, 7328120), (8, 6412105), (10, 5129684), (14, 3664060), (20, 2564842), (28, 1832030), (35, 1465624), (40, 1282421), (56, 916015), (70, 732812), (140, 366406), (280, 183203)]