28682020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75479}}^1$

素因数の和:75507

約数の個数: 24

約数和(自身を含む): 63403200

約数和(自身を除く): 34721180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75479, 150958, 301916, 377395, 754790, 1434101, 1509580, 2868202, 5736404, 7170505, 14341010, 28682020]

約数ペア:

[(1, 28682020), (2, 14341010), (4, 7170505), (5, 5736404), (10, 2868202), (19, 1509580), (20, 1434101), (38, 754790), (76, 377395), (95, 301916), (190, 150958), (380, 75479)]