30554960

素因数分解:

$2^4\times 5^1\times {\mathrm{381937}}^1$

素因数の和:381950

約数の個数: 20

約数和(自身を含む): 71040468

約数和(自身を除く): 40485508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381937, 763874, 1527748, 1909685, 3055496, 3819370, 6110992, 7638740, 15277480, 30554960]

約数ペア:

[(1, 30554960), (2, 15277480), (4, 7638740), (5, 6110992), (8, 3819370), (10, 3055496), (16, 1909685), (20, 1527748), (40, 763874), (80, 381937)]