39285820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280613}}^1$

素因数の和:280629

約数の個数: 24

約数和(自身を含む): 94286304

約数和(自身を除く): 55000484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280613, 561226, 1122452, 1403065, 1964291, 2806130, 3928582, 5612260, 7857164, 9821455, 19642910, 39285820]

約数ペア:

[(1, 39285820), (2, 19642910), (4, 9821455), (5, 7857164), (7, 5612260), (10, 3928582), (14, 2806130), (20, 1964291), (28, 1403065), (35, 1122452), (70, 561226), (140, 280613)]