67640120

素因数分解:

$2^3\times 5^1\times {\mathrm{1691003}}^1$

素因数の和:1691014

約数の個数: 16

約数和(自身を含む): 152190360

約数和(自身を除く): 84550240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1691003, 3382006, 6764012, 8455015, 13528024, 16910030, 33820060, 67640120]

約数ペア:

[(1, 67640120), (2, 33820060), (4, 16910030), (5, 13528024), (8, 8455015), (10, 6764012), (20, 3382006), (40, 1691003)]