12015160

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 27241200

約数和(自身を除く): 15226040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2161, 2780, 4322, 5560, 8644, 10805, 17288, 21610, 43220, 86440, 300379, 600758, 1201516, 1501895, 2403032, 3003790, 6007580, 12015160]

約数ペア:

[(1, 12015160), (2, 6007580), (4, 3003790), (5, 2403032), (8, 1501895), (10, 1201516), (20, 600758), (40, 300379), (139, 86440), (278, 43220), (556, 21610), (695, 17288), (1112, 10805), (1390, 8644), (2161, 5560), (2780, 4322)]