8380520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11027}}^1$

素因数の和:11057

約数の個数: 32

約数和(自身を含む): 19850400

約数和(自身を除く): 11469880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11027, 22054, 44108, 55135, 88216, 110270, 209513, 220540, 419026, 441080, 838052, 1047565, 1676104, 2095130, 4190260, 8380520]

約数ペア:

[(1, 8380520), (2, 4190260), (4, 2095130), (5, 1676104), (8, 1047565), (10, 838052), (19, 441080), (20, 419026), (38, 220540), (40, 209513), (76, 110270), (95, 88216), (152, 55135), (190, 44108), (380, 22054), (760, 11027)]