51488559920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3997559}}^1$

素因数の和:3997602

約数の個数: 80

約数和(自身を含む): 142760862720

約数和(自身を除く): 91272302800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 3997559, 7995118, 15990236, 19987795, 27982913, 31980472, 39975590, 55965826, 63960944, 79951180, 91943857, 111931652, 139914565, 159902360, 183887714, 223863304, 279829130, 319804720, 367775428, 447726608, 459719285, 559658260, 643606999, 735550856, 919438570, 1119316520, 1287213998, 1471101712, 1838877140, 2238633040, 2574427996, 3218034995, 3677754280, 5148855992, 6436069990, 7355508560, 10297711984, 12872139980, 25744279960, 51488559920]

約数ペア:

[(1, 51488559920), (2, 25744279960), (4, 12872139980), (5, 10297711984), (7, 7355508560), (8, 6436069990), (10, 5148855992), (14, 3677754280), (16, 3218034995), (20, 2574427996), (23, 2238633040), (28, 1838877140), (35, 1471101712), (40, 1287213998), (46, 1119316520), (56, 919438570), (70, 735550856), (80, 643606999), (92, 559658260), (112, 459719285), (115, 447726608), (140, 367775428), (161, 319804720), (184, 279829130), (230, 223863304), (280, 183887714), (322, 159902360), (368, 139914565), (460, 111931652), (560, 91943857), (644, 79951180), (805, 63960944), (920, 55965826), (1288, 39975590), (1610, 31980472), (1840, 27982913), (2576, 19987795), (3220, 15990236), (6440, 7995118), (12880, 3997559)]