66800120

素因数分解:

$2^3\times 5^1\times {\mathrm{1670003}}^1$

素因数の和:1670014

約数の個数: 16

約数和(自身を含む): 150300360

約数和(自身を除く): 83500240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1670003, 3340006, 6680012, 8350015, 13360024, 16700030, 33400060, 66800120]

約数ペア:

[(1, 66800120), (2, 33400060), (4, 16700030), (5, 13360024), (8, 8350015), (10, 6680012), (20, 3340006), (40, 1670003)]