26551120

素因数分解:

$2^4\times 5^1\times {\mathrm{331889}}^1$

素因数の和:331902

約数の個数: 20

約数和(自身を含む): 61731540

約数和(自身を除く): 35180420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331889, 663778, 1327556, 1659445, 2655112, 3318890, 5310224, 6637780, 13275560, 26551120]

約数ペア:

[(1, 26551120), (2, 13275560), (4, 6637780), (5, 5310224), (8, 3318890), (10, 2655112), (16, 1659445), (20, 1327556), (40, 663778), (80, 331889)]