66743480

素因数分解:

$2^3\times 5^1\times {\mathrm{1668587}}^1$

素因数の和:1668598

約数の個数: 16

約数和(自身を含む): 150172920

約数和(自身を除く): 83429440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1668587, 3337174, 6674348, 8342935, 13348696, 16685870, 33371740, 66743480]

約数ペア:

[(1, 66743480), (2, 33371740), (4, 16685870), (5, 13348696), (8, 8342935), (10, 6674348), (20, 3337174), (40, 1668587)]