66557860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 146676096

約数和(自身を除く): 80118236

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 257, 460, 514, 563, 1028, 1126, 1285, 2252, 2570, 2815, 5140, 5630, 5911, 11260, 11822, 12949, 23644, 25898, 29555, 51796, 59110, 64745, 118220, 129490, 144691, 258980, 289382, 578764, 723455, 1446910, 2893820, 3327893, 6655786, 13311572, 16639465, 33278930, 66557860]

約数ペア:

[(1, 66557860), (2, 33278930), (4, 16639465), (5, 13311572), (10, 6655786), (20, 3327893), (23, 2893820), (46, 1446910), (92, 723455), (115, 578764), (230, 289382), (257, 258980), (460, 144691), (514, 129490), (563, 118220), (1028, 64745), (1126, 59110), (1285, 51796), (2252, 29555), (2570, 25898), (2815, 23644), (5140, 12949), (5630, 11822), (5911, 11260)]