12393640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44263}}^1$

素因数の和:44281

約数の個数: 32

約数和(自身を含む): 31870080

約数和(自身を除く): 19476440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44263, 88526, 177052, 221315, 309841, 354104, 442630, 619682, 885260, 1239364, 1549205, 1770520, 2478728, 3098410, 6196820, 12393640]

約数ペア:

[(1, 12393640), (2, 6196820), (4, 3098410), (5, 2478728), (7, 1770520), (8, 1549205), (10, 1239364), (14, 885260), (20, 619682), (28, 442630), (35, 354104), (40, 309841), (56, 221315), (70, 177052), (140, 88526), (280, 44263)]