2900120

素因数分解:

$2^3\times 5^1\times {\mathrm{72503}}^1$

素因数の和:72514

約数の個数: 16

約数和(自身を含む): 6525360

約数和(自身を除く): 3625240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72503, 145006, 290012, 362515, 580024, 725030, 1450060, 2900120]

約数ペア:

[(1, 2900120), (2, 1450060), (4, 725030), (5, 580024), (8, 362515), (10, 290012), (20, 145006), (40, 72503)]