12864520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16927}}^1$

素因数の和:16957

約数の個数: 32

約数和(自身を含む): 30470400

約数和(自身を除く): 17605880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 16927, 33854, 67708, 84635, 135416, 169270, 321613, 338540, 643226, 677080, 1286452, 1608065, 2572904, 3216130, 6432260, 12864520]

約数ペア:

[(1, 12864520), (2, 6432260), (4, 3216130), (5, 2572904), (8, 1608065), (10, 1286452), (19, 677080), (20, 643226), (38, 338540), (40, 321613), (76, 169270), (95, 135416), (152, 84635), (190, 67708), (380, 33854), (760, 16927)]