166528240

素因数分解:

$2^4\times 5^1\times {\mathrm{2081603}}^1$

素因数の和:2081616

約数の個数: 20

約数和(自身を含む): 387178344

約数和(自身を除く): 220650104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2081603, 4163206, 8326412, 10408015, 16652824, 20816030, 33305648, 41632060, 83264120, 166528240]

約数ペア:

[(1, 166528240), (2, 83264120), (4, 41632060), (5, 33305648), (8, 20816030), (10, 16652824), (16, 10408015), (20, 8326412), (40, 4163206), (80, 2081603)]