128519082025

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 169760134656

約数和(自身を除く): 41241052631

約数列:

[1, 5, 23, 25, 83, 115, 191, 415, 529, 575, 613, 955, 1909, 2075, 2645, 3065, 4393, 4775, 9545, 13225, 14099, 15325, 15853, 21965, 43907, 47725, 50879, 70495, 79265, 101039, 109825, 117083, 219535, 254395, 324277, 352475, 364619, 396325, 505195, 585415, 1097675, 1170217, 1271975, 1621385, 1823095, 2525975, 2692909, 2927075, 5851085, 8106925, 8386237, 9115475, 9717889, 13464545, 26914991, 29255425, 41931185, 48589445, 61936907, 67322725, 134574955, 209655925, 223511447, 242947225, 309684535, 672874775, 1117557235, 1548422675, 5140763281, 5587786175, 25703816405, 128519082025]

約数ペア:

[(1, 128519082025), (5, 25703816405), (23, 5587786175), (25, 5140763281), (83, 1548422675), (115, 1117557235), (191, 672874775), (415, 309684535), (529, 242947225), (575, 223511447), (613, 209655925), (955, 134574955), (1909, 67322725), (2075, 61936907), (2645, 48589445), (3065, 41931185), (4393, 29255425), (4775, 26914991), (9545, 13464545), (13225, 9717889), (14099, 9115475), (15325, 8386237), (15853, 8106925), (21965, 5851085), (43907, 2927075), (47725, 2692909), (50879, 2525975), (70495, 1823095), (79265, 1621385), (101039, 1271975), (109825, 1170217), (117083, 1097675), (219535, 585415), (254395, 505195), (324277, 396325), (352475, 364619)]