4278280

素因数分解:

$2^3\times 5^1\times {\mathrm{106957}}^1$

素因数の和:106968

約数の個数: 16

約数和(自身を含む): 9626220

約数和(自身を除く): 5347940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 106957, 213914, 427828, 534785, 855656, 1069570, 2139140, 4278280]

約数ペア:

[(1, 4278280), (2, 2139140), (4, 1069570), (5, 855656), (8, 534785), (10, 427828), (20, 213914), (40, 106957)]