2487520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2221}}^1$

素因数の和:2243

約数の個数: 48

約数和(自身を含む): 6719328

約数和(自身を除く): 4231808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2221, 4442, 8884, 11105, 15547, 17768, 22210, 31094, 35536, 44420, 62188, 71072, 77735, 88840, 124376, 155470, 177680, 248752, 310940, 355360, 497504, 621880, 1243760, 2487520]

約数ペア:

[(1, 2487520), (2, 1243760), (4, 621880), (5, 497504), (7, 355360), (8, 310940), (10, 248752), (14, 177680), (16, 155470), (20, 124376), (28, 88840), (32, 77735), (35, 71072), (40, 62188), (56, 44420), (70, 35536), (80, 31094), (112, 22210), (140, 17768), (160, 15547), (224, 11105), (280, 8884), (560, 4442), (1120, 2221)]