16780550

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3079}}^1$

素因数の和:3200

約数の個数: 24

約数和(自身を含む): 31508400

約数和(自身を除く): 14727850

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3079, 5450, 6158, 15395, 30790, 76975, 153950, 335611, 671222, 1678055, 3356110, 8390275, 16780550]

約数ペア:

[(1, 16780550), (2, 8390275), (5, 3356110), (10, 1678055), (25, 671222), (50, 335611), (109, 153950), (218, 76975), (545, 30790), (1090, 15395), (2725, 6158), (3079, 5450)]