65380520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86027}}^1$

素因数の和:86057

約数の個数: 32

約数和(自身を含む): 154850400

約数和(自身を除く): 89469880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 86027, 172054, 344108, 430135, 688216, 860270, 1634513, 1720540, 3269026, 3441080, 6538052, 8172565, 13076104, 16345130, 32690260, 65380520]

約数ペア:

[(1, 65380520), (2, 32690260), (4, 16345130), (5, 13076104), (8, 8172565), (10, 6538052), (19, 3441080), (20, 3269026), (38, 1720540), (40, 1634513), (76, 860270), (95, 688216), (152, 430135), (190, 344108), (380, 172054), (760, 86027)]