15401840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2437}}^1$

素因数の和:2529

約数の個数: 40

約数和(自身を含む): 36277440

約数和(自身を除く): 20875600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2437, 3160, 4874, 6320, 9748, 12185, 19496, 24370, 38992, 48740, 97480, 192523, 194960, 385046, 770092, 962615, 1540184, 1925230, 3080368, 3850460, 7700920, 15401840]

約数ペア:

[(1, 15401840), (2, 7700920), (4, 3850460), (5, 3080368), (8, 1925230), (10, 1540184), (16, 962615), (20, 770092), (40, 385046), (79, 194960), (80, 192523), (158, 97480), (316, 48740), (395, 38992), (632, 24370), (790, 19496), (1264, 12185), (1580, 9748), (2437, 6320), (3160, 4874)]