205121410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{15319}}^1$

素因数の和:15442

約数の個数: 32

約数和(自身を含む): 401506560

約数和(自身を除く): 196385150

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 13390, 15319, 30638, 76595, 153190, 199147, 398294, 995735, 1577857, 1991470, 3155714, 7889285, 15778570, 20512141, 41024282, 102560705, 205121410]

約数ペア:

[(1, 205121410), (2, 102560705), (5, 41024282), (10, 20512141), (13, 15778570), (26, 7889285), (65, 3155714), (103, 1991470), (130, 1577857), (206, 995735), (515, 398294), (1030, 199147), (1339, 153190), (2678, 76595), (6695, 30638), (13390, 15319)]