25656040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 35515160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 353, 395, 460, 632, 706, 790, 920, 1412, 1580, 1765, 1817, 2824, 3160, 3530, 3634, 7060, 7268, 8119, 9085, 14120, 14536, 16238, 18170, 27887, 32476, 36340, 40595, 55774, 64952, 72680, 81190, 111548, 139435, 162380, 223096, 278870, 324760, 557740, 641401, 1115480, 1282802, 2565604, 3207005, 5131208, 6414010, 12828020, 25656040]

約数ペア:

[(1, 25656040), (2, 12828020), (4, 6414010), (5, 5131208), (8, 3207005), (10, 2565604), (20, 1282802), (23, 1115480), (40, 641401), (46, 557740), (79, 324760), (92, 278870), (115, 223096), (158, 162380), (184, 139435), (230, 111548), (316, 81190), (353, 72680), (395, 64952), (460, 55774), (632, 40595), (706, 36340), (790, 32476), (920, 27887), (1412, 18170), (1580, 16238), (1765, 14536), (1817, 14120), (2824, 9085), (3160, 8119), (3530, 7268), (3634, 7060)]