19756240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35279}}^1$

素因数の和:35299

約数の個数: 40

約数和(自身を含む): 52496640

約数和(自身を除く): 32740400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35279, 70558, 141116, 176395, 246953, 282232, 352790, 493906, 564464, 705580, 987812, 1234765, 1411160, 1975624, 2469530, 2822320, 3951248, 4939060, 9878120, 19756240]

約数ペア:

[(1, 19756240), (2, 9878120), (4, 4939060), (5, 3951248), (7, 2822320), (8, 2469530), (10, 1975624), (14, 1411160), (16, 1234765), (20, 987812), (28, 705580), (35, 564464), (40, 493906), (56, 352790), (70, 282232), (80, 246953), (112, 176395), (140, 141116), (280, 70558), (560, 35279)]