28937920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8221}}^1$

素因数の和:8249

約数の個数: 56

約数和(自身を含む): 75181968

約数和(自身を除く): 46244048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8221, 16442, 32884, 41105, 65768, 82210, 90431, 131536, 164420, 180862, 263072, 328840, 361724, 452155, 526144, 657680, 723448, 904310, 1315360, 1446896, 1808620, 2630720, 2893792, 3617240, 5787584, 7234480, 14468960, 28937920]

約数ペア:

[(1, 28937920), (2, 14468960), (4, 7234480), (5, 5787584), (8, 3617240), (10, 2893792), (11, 2630720), (16, 1808620), (20, 1446896), (22, 1315360), (32, 904310), (40, 723448), (44, 657680), (55, 526144), (64, 452155), (80, 361724), (88, 328840), (110, 263072), (160, 180862), (176, 164420), (220, 131536), (320, 90431), (352, 82210), (440, 65768), (704, 41105), (880, 32884), (1760, 16442), (3520, 8221)]