30903760

素因数分解:

$2^4\times 5^1\times {\mathrm{386297}}^1$

素因数の和:386310

約数の個数: 20

約数和(自身を含む): 71851428

約数和(自身を除く): 40947668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386297, 772594, 1545188, 1931485, 3090376, 3862970, 6180752, 7725940, 15451880, 30903760]

約数ペア:

[(1, 30903760), (2, 15451880), (4, 7725940), (5, 6180752), (8, 3862970), (10, 3090376), (16, 1931485), (20, 1545188), (40, 772594), (80, 386297)]