2855020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20393}}^1$

素因数の和:20409

約数の個数: 24

約数和(自身を含む): 6852384

約数和(自身を除く): 3997364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20393, 40786, 81572, 101965, 142751, 203930, 285502, 407860, 571004, 713755, 1427510, 2855020]

約数ペア:

[(1, 2855020), (2, 1427510), (4, 713755), (5, 571004), (7, 407860), (10, 285502), (14, 203930), (20, 142751), (28, 101965), (35, 81572), (70, 40786), (140, 20393)]