16745840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 26108560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 479, 760, 874, 920, 958, 1520, 1748, 1840, 1916, 2185, 2395, 3496, 3832, 4370, 4790, 6992, 7664, 8740, 9101, 9580, 11017, 17480, 18202, 19160, 22034, 34960, 36404, 38320, 44068, 45505, 55085, 72808, 88136, 91010, 110170, 145616, 176272, 182020, 209323, 220340, 364040, 418646, 440680, 728080, 837292, 881360, 1046615, 1674584, 2093230, 3349168, 4186460, 8372920, 16745840]

約数ペア:

[(1, 16745840), (2, 8372920), (4, 4186460), (5, 3349168), (8, 2093230), (10, 1674584), (16, 1046615), (19, 881360), (20, 837292), (23, 728080), (38, 440680), (40, 418646), (46, 364040), (76, 220340), (80, 209323), (92, 182020), (95, 176272), (115, 145616), (152, 110170), (184, 91010), (190, 88136), (230, 72808), (304, 55085), (368, 45505), (380, 44068), (437, 38320), (460, 36404), (479, 34960), (760, 22034), (874, 19160), (920, 18202), (958, 17480), (1520, 11017), (1748, 9580), (1840, 9101), (1916, 8740), (2185, 7664), (2395, 6992), (3496, 4790), (3832, 4370)]