31155680

素因数分解:

$2^5\times 5^1\times {\mathrm{194723}}^1$

素因数の和:194738

約数の個数: 24

約数和(自身を含む): 73605672

約数和(自身を除く): 42449992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194723, 389446, 778892, 973615, 1557784, 1947230, 3115568, 3894460, 6231136, 7788920, 15577840, 31155680]

約数ペア:

[(1, 31155680), (2, 15577840), (4, 7788920), (5, 6231136), (8, 3894460), (10, 3115568), (16, 1947230), (20, 1557784), (32, 973615), (40, 778892), (80, 389446), (160, 194723)]