827606480

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 1962195840

約数和(自身を除く): 1134589360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 109, 214, 218, 428, 436, 535, 545, 856, 872, 887, 1070, 1090, 1712, 1744, 1774, 2140, 2180, 3548, 4280, 4360, 4435, 7096, 8560, 8720, 8870, 11663, 14192, 17740, 23326, 35480, 46652, 58315, 70960, 93304, 94909, 96683, 116630, 186608, 189818, 193366, 233260, 379636, 386732, 466520, 474545, 483415, 759272, 773464, 933040, 949090, 966830, 1518544, 1546928, 1898180, 1933660, 3796360, 3867320, 7592720, 7734640, 10345081, 20690162, 41380324, 51725405, 82760648, 103450810, 165521296, 206901620, 413803240, 827606480]

約数ペア:

[(1, 827606480), (2, 413803240), (4, 206901620), (5, 165521296), (8, 103450810), (10, 82760648), (16, 51725405), (20, 41380324), (40, 20690162), (80, 10345081), (107, 7734640), (109, 7592720), (214, 3867320), (218, 3796360), (428, 1933660), (436, 1898180), (535, 1546928), (545, 1518544), (856, 966830), (872, 949090), (887, 933040), (1070, 773464), (1090, 759272), (1712, 483415), (1744, 474545), (1774, 466520), (2140, 386732), (2180, 379636), (3548, 233260), (4280, 193366), (4360, 189818), (4435, 186608), (7096, 116630), (8560, 96683), (8720, 94909), (8870, 93304), (11663, 70960), (14192, 58315), (17740, 46652), (23326, 35480)]