25394005

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 15732395

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 67, 85, 91, 119, 221, 245, 335, 343, 455, 469, 595, 637, 833, 871, 1105, 1139, 1547, 1715, 2345, 3185, 3283, 4165, 4355, 4459, 5695, 5831, 6097, 7735, 7973, 10829, 14807, 16415, 22295, 22981, 29155, 30485, 39865, 42679, 54145, 55811, 74035, 75803, 103649, 114905, 213395, 279055, 298753, 379015, 390677, 518245, 725543, 1493765, 1953385, 3627715, 5078801, 25394005]

約数ペア:

[(1, 25394005), (5, 5078801), (7, 3627715), (13, 1953385), (17, 1493765), (35, 725543), (49, 518245), (65, 390677), (67, 379015), (85, 298753), (91, 279055), (119, 213395), (221, 114905), (245, 103649), (335, 75803), (343, 74035), (455, 55811), (469, 54145), (595, 42679), (637, 39865), (833, 30485), (871, 29155), (1105, 22981), (1139, 22295), (1547, 16415), (1715, 14807), (2345, 10829), (3185, 7973), (3283, 7735), (4165, 6097), (4355, 5831), (4459, 5695)]