57210640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16631}}^1$

素因数の和:16687

約数の個数: 40

約数和(自身を含む): 136116288

約数和(自身を除く): 78905648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16631, 33262, 66524, 83155, 133048, 166310, 266096, 332620, 665240, 715133, 1330480, 1430266, 2860532, 3575665, 5721064, 7151330, 11442128, 14302660, 28605320, 57210640]

約数ペア:

[(1, 57210640), (2, 28605320), (4, 14302660), (5, 11442128), (8, 7151330), (10, 5721064), (16, 3575665), (20, 2860532), (40, 1430266), (43, 1330480), (80, 715133), (86, 665240), (172, 332620), (215, 266096), (344, 166310), (430, 133048), (688, 83155), (860, 66524), (1720, 33262), (3440, 16631)]