282488180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1086493}}^1$

素因数の和:1086515

約数の個数: 24

約数和(自身を含む): 638858472

約数和(自身を除く): 356370292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1086493, 2172986, 4345972, 5432465, 10864930, 14124409, 21729860, 28248818, 56497636, 70622045, 141244090, 282488180]

約数ペア:

[(1, 282488180), (2, 141244090), (4, 70622045), (5, 56497636), (10, 28248818), (13, 21729860), (20, 14124409), (26, 10864930), (52, 5432465), (65, 4345972), (130, 2172986), (260, 1086493)]