27404840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 38302360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 337, 380, 428, 535, 674, 760, 856, 1070, 1348, 1685, 2033, 2140, 2696, 3370, 4066, 4280, 6403, 6740, 8132, 10165, 12806, 13480, 16264, 20330, 25612, 32015, 36059, 40660, 51224, 64030, 72118, 81320, 128060, 144236, 180295, 256120, 288472, 360590, 685121, 721180, 1370242, 1442360, 2740484, 3425605, 5480968, 6851210, 13702420, 27404840]

約数ペア:

[(1, 27404840), (2, 13702420), (4, 6851210), (5, 5480968), (8, 3425605), (10, 2740484), (19, 1442360), (20, 1370242), (38, 721180), (40, 685121), (76, 360590), (95, 288472), (107, 256120), (152, 180295), (190, 144236), (214, 128060), (337, 81320), (380, 72118), (428, 64030), (535, 51224), (674, 40660), (760, 36059), (856, 32015), (1070, 25612), (1348, 20330), (1685, 16264), (2033, 13480), (2140, 12806), (2696, 10165), (3370, 8132), (4066, 6740), (4280, 6403)]