42705260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164251}}^1$

素因数の和:164273

約数の個数: 24

約数和(自身を含む): 96580176

約数和(自身を除く): 53874916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164251, 328502, 657004, 821255, 1642510, 2135263, 3285020, 4270526, 8541052, 10676315, 21352630, 42705260]

約数ペア:

[(1, 42705260), (2, 21352630), (4, 10676315), (5, 8541052), (10, 4270526), (13, 3285020), (20, 2135263), (26, 1642510), (52, 821255), (65, 657004), (130, 328502), (260, 164251)]