80009380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19141}}^1$

素因数の和:19180

約数の個数: 48

約数和(自身を含む): 192951360

約数和(自身を除く): 112941980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 19141, 38282, 76564, 95705, 191410, 210551, 363679, 382820, 421102, 727358, 842204, 1052755, 1454716, 1818395, 2105510, 3636790, 4000469, 4211020, 7273580, 8000938, 16001876, 20002345, 40004690, 80009380]

約数ペア:

[(1, 80009380), (2, 40004690), (4, 20002345), (5, 16001876), (10, 8000938), (11, 7273580), (19, 4211020), (20, 4000469), (22, 3636790), (38, 2105510), (44, 1818395), (55, 1454716), (76, 1052755), (95, 842204), (110, 727358), (190, 421102), (209, 382820), (220, 363679), (380, 210551), (418, 191410), (836, 95705), (1045, 76564), (2090, 38282), (4180, 19141)]