2605191290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20039933}}^1$

素因数の和:20039953

約数の個数: 16

約数和(自身を含む): 5050063368

約数和(自身を除く): 2444872078

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 20039933, 40079866, 100199665, 200399330, 260519129, 521038258, 1302595645, 2605191290]

約数ペア:

[(1, 2605191290), (2, 1302595645), (5, 521038258), (10, 260519129), (13, 200399330), (26, 100199665), (65, 40079866), (130, 20039933)]