2040215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 2593728

約数和(自身を除く): 553513

約数列:

[1, 5, 23, 113, 115, 157, 565, 785, 2599, 3611, 12995, 17741, 18055, 88705, 408043, 2040215]

約数ペア:

[(1, 2040215), (5, 408043), (23, 88705), (113, 18055), (115, 17741), (157, 12995), (565, 3611), (785, 2599)]