26181925

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 43256160

約数和(自身を除く): 17074235

約数列:

[1, 5, 7, 11, 25, 29, 35, 49, 55, 67, 77, 145, 175, 203, 245, 275, 319, 335, 385, 469, 539, 725, 737, 1015, 1225, 1421, 1595, 1675, 1925, 1943, 2233, 2345, 2695, 3283, 3685, 5075, 5159, 7105, 7975, 9715, 11165, 11725, 13475, 13601, 15631, 16415, 18425, 21373, 25795, 35525, 36113, 48575, 55825, 68005, 78155, 82075, 95207, 106865, 128975, 149611, 180565, 340025, 390775, 476035, 534325, 748055, 902825, 1047277, 2380175, 3740275, 5236385, 26181925]

約数ペア:

[(1, 26181925), (5, 5236385), (7, 3740275), (11, 2380175), (25, 1047277), (29, 902825), (35, 748055), (49, 534325), (55, 476035), (67, 390775), (77, 340025), (145, 180565), (175, 149611), (203, 128975), (245, 106865), (275, 95207), (319, 82075), (335, 78155), (385, 68005), (469, 55825), (539, 48575), (725, 36113), (737, 35525), (1015, 25795), (1225, 21373), (1421, 18425), (1595, 16415), (1675, 15631), (1925, 13601), (1943, 13475), (2233, 11725), (2345, 11165), (2695, 9715), (3283, 7975), (3685, 7105), (5075, 5159)]