57272560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16649}}^1$

素因数の和:16705

約数の個数: 40

約数和(自身を含む): 136263600

約数和(自身を除く): 78991040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16649, 33298, 66596, 83245, 133192, 166490, 266384, 332980, 665960, 715907, 1331920, 1431814, 2863628, 3579535, 5727256, 7159070, 11454512, 14318140, 28636280, 57272560]

約数ペア:

[(1, 57272560), (2, 28636280), (4, 14318140), (5, 11454512), (8, 7159070), (10, 5727256), (16, 3579535), (20, 2863628), (40, 1431814), (43, 1331920), (80, 715907), (86, 665960), (172, 332980), (215, 266384), (344, 166490), (430, 133192), (688, 83245), (860, 66596), (1720, 33298), (3440, 16649)]