28911680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12907}}^1$

素因数の和:12931

約数の個数: 56

約数和(自身を含む): 78687168

約数和(自身を除く): 49775488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12907, 25814, 51628, 64535, 90349, 103256, 129070, 180698, 206512, 258140, 361396, 413024, 451745, 516280, 722792, 826048, 903490, 1032560, 1445584, 1806980, 2065120, 2891168, 3613960, 4130240, 5782336, 7227920, 14455840, 28911680]

約数ペア:

[(1, 28911680), (2, 14455840), (4, 7227920), (5, 5782336), (7, 4130240), (8, 3613960), (10, 2891168), (14, 2065120), (16, 1806980), (20, 1445584), (28, 1032560), (32, 903490), (35, 826048), (40, 722792), (56, 516280), (64, 451745), (70, 413024), (80, 361396), (112, 258140), (140, 206512), (160, 180698), (224, 129070), (280, 103256), (320, 90349), (448, 64535), (560, 51628), (1120, 25814), (2240, 12907)]