30640880

素因数分解:

$2^4\times 5^1\times {\mathrm{383011}}^1$

素因数の和:383024

約数の個数: 20

約数和(自身を含む): 71240232

約数和(自身を除く): 40599352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383011, 766022, 1532044, 1915055, 3064088, 3830110, 6128176, 7660220, 15320440, 30640880]

約数ペア:

[(1, 30640880), (2, 15320440), (4, 7660220), (5, 6128176), (8, 3830110), (10, 3064088), (16, 1915055), (20, 1532044), (40, 766022), (80, 383011)]