65576120

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6379}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 148143600

約数和(自身を除く): 82567480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 6379, 10280, 12758, 25516, 31895, 51032, 63790, 127580, 255160, 1639403, 3278806, 6557612, 8197015, 13115224, 16394030, 32788060, 65576120]

約数ペア:

[(1, 65576120), (2, 32788060), (4, 16394030), (5, 13115224), (8, 8197015), (10, 6557612), (20, 3278806), (40, 1639403), (257, 255160), (514, 127580), (1028, 63790), (1285, 51032), (2056, 31895), (2570, 25516), (5140, 12758), (6379, 10280)]