8808520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 22907520

約数和(自身を除く): 14099000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 193, 280, 326, 386, 652, 772, 815, 965, 1141, 1304, 1351, 1544, 1630, 1930, 2282, 2702, 3260, 3860, 4564, 5404, 5705, 6520, 6755, 7720, 9128, 10808, 11410, 13510, 22820, 27020, 31459, 45640, 54040, 62918, 125836, 157295, 220213, 251672, 314590, 440426, 629180, 880852, 1101065, 1258360, 1761704, 2202130, 4404260, 8808520]

約数ペア:

[(1, 8808520), (2, 4404260), (4, 2202130), (5, 1761704), (7, 1258360), (8, 1101065), (10, 880852), (14, 629180), (20, 440426), (28, 314590), (35, 251672), (40, 220213), (56, 157295), (70, 125836), (140, 62918), (163, 54040), (193, 45640), (280, 31459), (326, 27020), (386, 22820), (652, 13510), (772, 11410), (815, 10808), (965, 9128), (1141, 7720), (1304, 6755), (1351, 6520), (1544, 5705), (1630, 5404), (1930, 4564), (2282, 3860), (2702, 3260)]