12769520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 32378880

約数和(自身を除く): 19609360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 271, 304, 310, 380, 496, 542, 589, 620, 760, 1084, 1178, 1240, 1355, 1520, 2168, 2356, 2480, 2710, 2945, 4336, 4712, 5149, 5420, 5890, 8401, 9424, 10298, 10840, 11780, 16802, 20596, 21680, 23560, 25745, 33604, 41192, 42005, 47120, 51490, 67208, 82384, 84010, 102980, 134416, 159619, 168020, 205960, 319238, 336040, 411920, 638476, 672080, 798095, 1276952, 1596190, 2553904, 3192380, 6384760, 12769520]

約数ペア:

[(1, 12769520), (2, 6384760), (4, 3192380), (5, 2553904), (8, 1596190), (10, 1276952), (16, 798095), (19, 672080), (20, 638476), (31, 411920), (38, 336040), (40, 319238), (62, 205960), (76, 168020), (80, 159619), (95, 134416), (124, 102980), (152, 84010), (155, 82384), (190, 67208), (248, 51490), (271, 47120), (304, 42005), (310, 41192), (380, 33604), (496, 25745), (542, 23560), (589, 21680), (620, 20596), (760, 16802), (1084, 11780), (1178, 10840), (1240, 10298), (1355, 9424), (1520, 8401), (2168, 5890), (2356, 5420), (2480, 5149), (2710, 4712), (2945, 4336)]