2495440

素因数分解:

$2^4\times 5^1\times {\mathrm{31193}}^1$

素因数の和:31206

約数の個数: 20

約数和(自身を含む): 5802084

約数和(自身を除く): 3306644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31193, 62386, 124772, 155965, 249544, 311930, 499088, 623860, 1247720, 2495440]

約数ペア:

[(1, 2495440), (2, 1247720), (4, 623860), (5, 499088), (8, 311930), (10, 249544), (16, 155965), (20, 124772), (40, 62386), (80, 31193)]