31240120

素因数分解:

$2^3\times 5^1\times {\mathrm{781003}}^1$

素因数の和:781014

約数の個数: 16

約数和(自身を含む): 70290360

約数和(自身を除く): 39050240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 781003, 1562006, 3124012, 3905015, 6248024, 7810030, 15620060, 31240120]

約数ペア:

[(1, 31240120), (2, 15620060), (4, 7810030), (5, 6248024), (8, 3905015), (10, 3124012), (20, 1562006), (40, 781003)]