1004022590

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{400009}}^1$

素因数の和:400267

約数の個数: 16

約数和(自身を含む): 1814445360

約数和(自身を除く): 810422770

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 400009, 800018, 2000045, 4000090, 100402259, 200804518, 502011295, 1004022590]

約数ペア:

[(1, 1004022590), (2, 502011295), (5, 200804518), (10, 100402259), (251, 4000090), (502, 2000045), (1255, 800018), (2510, 400009)]