254979160

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{3847}}^1$

素因数の和:5515

約数の個数: 32

約数和(自身を含む): 574198560

約数和(自身を除く): 319219400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 3847, 6628, 7694, 8285, 13256, 15388, 16570, 19235, 30776, 33140, 38470, 66280, 76940, 153880, 6374479, 12748958, 25497916, 31872395, 50995832, 63744790, 127489580, 254979160]

約数ペア:

[(1, 254979160), (2, 127489580), (4, 63744790), (5, 50995832), (8, 31872395), (10, 25497916), (20, 12748958), (40, 6374479), (1657, 153880), (3314, 76940), (3847, 66280), (6628, 38470), (7694, 33140), (8285, 30776), (13256, 19235), (15388, 16570)]