12943480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 20234120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1279, 2024, 2530, 2558, 5060, 5116, 6395, 10120, 10232, 12790, 14069, 25580, 28138, 29417, 51160, 56276, 58834, 70345, 112552, 117668, 140690, 147085, 235336, 281380, 294170, 323587, 562760, 588340, 647174, 1176680, 1294348, 1617935, 2588696, 3235870, 6471740, 12943480]

約数ペア:

[(1, 12943480), (2, 6471740), (4, 3235870), (5, 2588696), (8, 1617935), (10, 1294348), (11, 1176680), (20, 647174), (22, 588340), (23, 562760), (40, 323587), (44, 294170), (46, 281380), (55, 235336), (88, 147085), (92, 140690), (110, 117668), (115, 112552), (184, 70345), (220, 58834), (230, 56276), (253, 51160), (440, 29417), (460, 28138), (506, 25580), (920, 14069), (1012, 12790), (1265, 10232), (1279, 10120), (2024, 6395), (2530, 5116), (2558, 5060)]