12687860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15473}}^1$

素因数の和:15523

約数の個数: 24

約数和(自身を含む): 27296136

約数和(自身を除く): 14608276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15473, 30946, 61892, 77365, 154730, 309460, 634393, 1268786, 2537572, 3171965, 6343930, 12687860]

約数ペア:

[(1, 12687860), (2, 6343930), (4, 3171965), (5, 2537572), (10, 1268786), (20, 634393), (41, 309460), (82, 154730), (164, 77365), (205, 61892), (410, 30946), (820, 15473)]