8372920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12363080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 479, 760, 874, 920, 958, 1748, 1916, 2185, 2395, 3496, 3832, 4370, 4790, 8740, 9101, 9580, 11017, 17480, 18202, 19160, 22034, 36404, 44068, 45505, 55085, 72808, 88136, 91010, 110170, 182020, 209323, 220340, 364040, 418646, 440680, 837292, 1046615, 1674584, 2093230, 4186460, 8372920]

約数ペア:

[(1, 8372920), (2, 4186460), (4, 2093230), (5, 1674584), (8, 1046615), (10, 837292), (19, 440680), (20, 418646), (23, 364040), (38, 220340), (40, 209323), (46, 182020), (76, 110170), (92, 91010), (95, 88136), (115, 72808), (152, 55085), (184, 45505), (190, 44068), (230, 36404), (380, 22034), (437, 19160), (460, 18202), (479, 17480), (760, 11017), (874, 9580), (920, 9101), (958, 8740), (1748, 4790), (1916, 4370), (2185, 3832), (2395, 3496)]