2656120

素因数分解:

$2^3\times 5^1\times {\mathrm{66403}}^1$

素因数の和:66414

約数の個数: 16

約数和(自身を含む): 5976360

約数和(自身を除く): 3320240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66403, 132806, 265612, 332015, 531224, 664030, 1328060, 2656120]

約数ペア:

[(1, 2656120), (2, 1328060), (4, 664030), (5, 531224), (8, 332015), (10, 265612), (20, 132806), (40, 66403)]