2018960080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{13649}}^1$

素因数の和:13748

約数の個数: 60

約数和(自身を含む): 4806137700

約数和(自身を除く): 2787177620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 1849, 3440, 3698, 7396, 9245, 13649, 14792, 18490, 27298, 29584, 36980, 54596, 68245, 73960, 109192, 136490, 147920, 218384, 272980, 545960, 586907, 1091920, 1173814, 2347628, 2934535, 4695256, 5869070, 9390512, 11738140, 23476280, 25237001, 46952560, 50474002, 100948004, 126185005, 201896008, 252370010, 403792016, 504740020, 1009480040, 2018960080]

約数ペア:

[(1, 2018960080), (2, 1009480040), (4, 504740020), (5, 403792016), (8, 252370010), (10, 201896008), (16, 126185005), (20, 100948004), (40, 50474002), (43, 46952560), (80, 25237001), (86, 23476280), (172, 11738140), (215, 9390512), (344, 5869070), (430, 4695256), (688, 2934535), (860, 2347628), (1720, 1173814), (1849, 1091920), (3440, 586907), (3698, 545960), (7396, 272980), (9245, 218384), (13649, 147920), (14792, 136490), (18490, 109192), (27298, 73960), (29584, 68245), (36980, 54596)]