12709340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 31836672

約数和(自身を除く): 19127332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 3947, 7894, 15788, 19735, 27629, 39470, 55258, 78940, 90781, 110516, 138145, 181562, 276290, 363124, 453905, 552580, 635467, 907810, 1270934, 1815620, 2541868, 3177335, 6354670, 12709340]

約数ペア:

[(1, 12709340), (2, 6354670), (4, 3177335), (5, 2541868), (7, 1815620), (10, 1270934), (14, 907810), (20, 635467), (23, 552580), (28, 453905), (35, 363124), (46, 276290), (70, 181562), (92, 138145), (115, 110516), (140, 90781), (161, 78940), (230, 55258), (322, 39470), (460, 27629), (644, 19735), (805, 15788), (1610, 7894), (3220, 3947)]