1388895040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2437}}^1$

素因数の和:2604

約数の個数: 112

約数和(自身を含む): 3589184592

約数和(自身を除く): 2200289552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 137, 160, 208, 260, 274, 320, 416, 520, 548, 685, 832, 1040, 1096, 1370, 1781, 2080, 2192, 2437, 2740, 3562, 4160, 4384, 4874, 5480, 7124, 8768, 8905, 9748, 10960, 12185, 14248, 17810, 19496, 21920, 24370, 28496, 31681, 35620, 38992, 43840, 48740, 56992, 63362, 71240, 77984, 97480, 113984, 126724, 142480, 155968, 158405, 194960, 253448, 284960, 316810, 333869, 389920, 506896, 569920, 633620, 667738, 779840, 1013792, 1267240, 1335476, 1669345, 2027584, 2534480, 2670952, 3338690, 4340297, 5068960, 5341904, 6677380, 8680594, 10137920, 10683808, 13354760, 17361188, 21367616, 21701485, 26709520, 34722376, 43402970, 53419040, 69444752, 86805940, 106838080, 138889504, 173611880, 277779008, 347223760, 694447520, 1388895040]

約数ペア:

[(1, 1388895040), (2, 694447520), (4, 347223760), (5, 277779008), (8, 173611880), (10, 138889504), (13, 106838080), (16, 86805940), (20, 69444752), (26, 53419040), (32, 43402970), (40, 34722376), (52, 26709520), (64, 21701485), (65, 21367616), (80, 17361188), (104, 13354760), (130, 10683808), (137, 10137920), (160, 8680594), (208, 6677380), (260, 5341904), (274, 5068960), (320, 4340297), (416, 3338690), (520, 2670952), (548, 2534480), (685, 2027584), (832, 1669345), (1040, 1335476), (1096, 1267240), (1370, 1013792), (1781, 779840), (2080, 667738), (2192, 633620), (2437, 569920), (2740, 506896), (3562, 389920), (4160, 333869), (4384, 316810), (4874, 284960), (5480, 253448), (7124, 194960), (8768, 158405), (8905, 155968), (9748, 142480), (10960, 126724), (12185, 113984), (14248, 97480), (17810, 77984), (19496, 71240), (21920, 63362), (24370, 56992), (28496, 48740), (31681, 43840), (35620, 38992)]