30803120

素因数分解:

$2^4\times 5^1\times {\mathrm{385039}}^1$

素因数の和:385052

約数の個数: 20

約数和(自身を含む): 71617440

約数和(自身を除く): 40814320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385039, 770078, 1540156, 1925195, 3080312, 3850390, 6160624, 7700780, 15401560, 30803120]

約数ペア:

[(1, 30803120), (2, 15401560), (4, 7700780), (5, 6160624), (8, 3850390), (10, 3080312), (16, 1925195), (20, 1540156), (40, 770078), (80, 385039)]