71348180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82963}}^1$

素因数の和:83015

約数の個数: 24

約数和(自身を含む): 153317472

約数和(自身を除く): 81969292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 82963, 165926, 331852, 414815, 829630, 1659260, 3567409, 7134818, 14269636, 17837045, 35674090, 71348180]

約数ペア:

[(1, 71348180), (2, 35674090), (4, 17837045), (5, 14269636), (10, 7134818), (20, 3567409), (43, 1659260), (86, 829630), (172, 414815), (215, 331852), (430, 165926), (860, 82963)]