6666140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25639}}^1$

素因数の和:25661

約数の個数: 24

約数和(自身を含む): 15076320

約数和(自身を除く): 8410180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25639, 51278, 102556, 128195, 256390, 333307, 512780, 666614, 1333228, 1666535, 3333070, 6666140]

約数ペア:

[(1, 6666140), (2, 3333070), (4, 1666535), (5, 1333228), (10, 666614), (13, 512780), (20, 333307), (26, 256390), (52, 128195), (65, 102556), (130, 51278), (260, 25639)]