68936660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265141}}^1$

素因数の和:265163

約数の個数: 24

約数和(自身を含む): 155903496

約数和(自身を除く): 86966836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 265141, 530282, 1060564, 1325705, 2651410, 3446833, 5302820, 6893666, 13787332, 17234165, 34468330, 68936660]

約数ペア:

[(1, 68936660), (2, 34468330), (4, 17234165), (5, 13787332), (10, 6893666), (13, 5302820), (20, 3446833), (26, 2651410), (52, 1325705), (65, 1060564), (130, 530282), (260, 265141)]