142420120

素因数分解:

$2^3\times 5^1\times {\mathrm{3560503}}^1$

素因数の和:3560514

約数の個数: 16

約数和(自身を含む): 320445360

約数和(自身を除く): 178025240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3560503, 7121006, 14242012, 17802515, 28484024, 35605030, 71210060, 142420120]

約数ペア:

[(1, 142420120), (2, 71210060), (4, 35605030), (5, 28484024), (8, 17802515), (10, 14242012), (20, 7121006), (40, 3560503)]