2040702980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{53171}}^1$

素因数の和:53300

約数の個数: 48

約数和(自身を含む): 4555776960

約数和(自身を除く): 2515073980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 38380, 53171, 106342, 212684, 265855, 531710, 1010249, 1063420, 2020498, 4040996, 5051245, 5370271, 10102490, 10740542, 20204980, 21481084, 26851355, 53702710, 102035149, 107405420, 204070298, 408140596, 510175745, 1020351490, 2040702980]

約数ペア:

[(1, 2040702980), (2, 1020351490), (4, 510175745), (5, 408140596), (10, 204070298), (19, 107405420), (20, 102035149), (38, 53702710), (76, 26851355), (95, 21481084), (101, 20204980), (190, 10740542), (202, 10102490), (380, 5370271), (404, 5051245), (505, 4040996), (1010, 2020498), (1919, 1063420), (2020, 1010249), (3838, 531710), (7676, 265855), (9595, 212684), (19190, 106342), (38380, 53171)]