13390025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 19820160

約数和(自身を除く): 6430135

約数列:

[1, 5, 11, 23, 25, 29, 55, 73, 115, 145, 253, 275, 319, 365, 575, 667, 725, 803, 1265, 1595, 1679, 1825, 2117, 3335, 4015, 6325, 7337, 7975, 8395, 10585, 16675, 18469, 20075, 23287, 36685, 41975, 48691, 52925, 92345, 116435, 183425, 243455, 461725, 535601, 582175, 1217275, 2678005, 13390025]

約数ペア:

[(1, 13390025), (5, 2678005), (11, 1217275), (23, 582175), (25, 535601), (29, 461725), (55, 243455), (73, 183425), (115, 116435), (145, 92345), (253, 52925), (275, 48691), (319, 41975), (365, 36685), (575, 23287), (667, 20075), (725, 18469), (803, 16675), (1265, 10585), (1595, 8395), (1679, 7975), (1825, 7337), (2117, 6325), (3335, 4015)]