30907120

素因数分解:

$2^4\times 5^1\times {\mathrm{386339}}^1$

素因数の和:386352

約数の個数: 20

約数和(自身を含む): 71859240

約数和(自身を除く): 40952120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386339, 772678, 1545356, 1931695, 3090712, 3863390, 6181424, 7726780, 15453560, 30907120]

約数ペア:

[(1, 30907120), (2, 15453560), (4, 7726780), (5, 6181424), (8, 3863390), (10, 3090712), (16, 1931695), (20, 1545356), (40, 772678), (80, 386339)]