53428180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205493}}^1$

素因数の和:205515

約数の個数: 24

約数和(自身を含む): 120830472

約数和(自身を除く): 67402292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 205493, 410986, 821972, 1027465, 2054930, 2671409, 4109860, 5342818, 10685636, 13357045, 26714090, 53428180]

約数ペア:

[(1, 53428180), (2, 26714090), (4, 13357045), (5, 10685636), (10, 5342818), (13, 4109860), (20, 2671409), (26, 2054930), (52, 1027465), (65, 821972), (130, 410986), (260, 205493)]